1. A broad, level, open expanse of land.
2. A meadow: a field of buttercups.
3. A cultivated expanse of land, especially one devoted to a particular crop: a field of corn.
4. A portion of land or a geologic formation containing a specified natural resource.
5. A wide unbroken expanse, as of ice.
6. A battleground.
7. A battle.
8. the scene or an area of military operations or maneuvers.
9. A military area away from headquarters.
10. A background area, as on a flag, painting, or coin: a blue insignia on a field of red.
11. heraldry the background of a shield or one of the divisions of the background.
12. sports an area in which an athletic event takes place, especially the area inside or near to a running track, where field events are held.
13. sports the portion of a playing field having specific dimensions on which the action of a game takes place.
14. sports all the contestants or participants in an event, especially all the contestants except the favorite or the winner in a contest of more than two.
15. sports the members of a team engaged in active play.
16. sports the body of riders following a pack of hounds in hunting.
17. an area of human activity or interest: several fields of endeavor.
18. A topic, subject, or area of academic interest or specialization.
19. profession, employment, or business.
20. an area or setting of practical activity or application outside an office, school, factory, or laboratory: biologists working in the field; a product tested in the field.
21. an area or region where business activities are conducted: sales representatives in the field.
22. mathematics A set of elements having two operations, designated addition and multiplication, satisfying the conditions that multiplication is distributive over addition, that the set is a group under addition, and that the elements with the exception of the additive identity form a group under multiplication.
23. physics A region of space characterized by a physical property, such as gravitational or electromagnetic force or fluid pressure, having a determinable value at every point in the region.
24. the usually circular area in which the image is rendered by the lens system of an optical instrument. also called field of view.
25. computer science A defined area of a storage medium, such as a set of bit locations or a set of adjacent columns on a punch card, used to record a type of information consistently.
26. computer science an element of a database record in which one piece of information is stored.
27. computer science an interface element in a gui that accepts the input of text.
28. growing, cultivated, or living in fields or open land.
29. made, used, or carried on in the field: field operations.
30. working, operating, or active in the field: field representatives of a firm.
31. sports to retrieve (a ball) and perform the required maneuver, especially in baseball.
32. sports to place in the field to play: field a team.
33. to respond to: fielded tough questions from the press.
34. to place in competition.
35. to put into action: field an army of campaign workers.
36. computer science to enter (data) into a field.
37. sports to play as a fielder.
38. take the field to begin or resume activity, as in military operations or in a sport.

1. A land area free of woodland, cities, and towns; open country.
2. A wide, open space that is usually used to grow crops or to hold farm animals.
3. the open country near or belonging to a city -- usually used in plural.
4. A region affected by a particular force.
5. A course of study or domain of knowledge or practice.
6. an area that can be seen at a given time.
7. A place where a battle is fought; a battlefield.
8. an area reserved for playing a game.
9. A realm of practical, direct, or natural operation, contrasting with an office, classroom, or laboratory.
10. A set having two operations called addition and multiplication under both of which all the elements of the set are commutative and associative; for which multiplication distributes over addition; and for both of which there exist an identity element and an inverse element (except for the additive identity).
11. A region containing a particular mineral.
12. the background of the shield
13. an area of memory or storage reserved for a particular value.
14. A component of a database record in which a single unit of information is stored.
15. A physical or virtual location for the input of information in the form of characters.
16. the team in a match who is throwing the ball and trying to catch the ball hit by the other team (the bat).
17. to intercept or catch (a ball) and play it.
18. to be the team catching and throwing the ball, as opposed to hitting it.
19. to place a team in (a game).
20. to answer; to address.

1. cleared land; land suitable for tillage or pasture; cultivated ground; the open country.
2. A piece of land of considerable size; esp., a piece inclosed for tillage or pasture.
3. A place where a battle is fought; also, the battle itself.
4. an open space; an extent; an expanse.
5. any blank space or ground on which figures are drawn or projected.
6. the space covered by an optical instrument at one view.
7. the whole surface of an escutcheon; also, so much of it is shown unconcealed by the different bearings upon it. see Illust. of Fess, where the field is represented as gules (red), while the fess is argent (silver).
8. an unresticted or favorable opportunity for action, operation, or achievement; province; room.
9. A collective term for all the competitors in any outdoor contest or trial, or for all except the favorites in the betting.
10. that part of the grounds reserved for the players which is outside of the diamond; -- called also outfield.
11. in a telescope or microscope, the entire space within which objects are seen.
12. to take the field.
13. to stand out in the field, ready to catch, stop, or throw the ball.
14. to catch, stop, throw, etc. (the ball), as a fielder.

1. in baseball and cricket, to catch or stop and return to the necessary place: as, to field the ball.
2. to take to the field; do anything in the field, as exploring, fighting, or searching for food.
3. in base-ball and cricket, to act as a fielder. also (in cricket) to fag out.
4. in chem. industries, to induce oxidation or other change by exposing to the air and solar heat. A term not in general use.
5. A piece of cleared or cultivated ground, or of land suitable for pasture or tillage; specifically, any part of a farm inclosed or set apart from the rest, as for a special use, except a garden, a wood-lot, or an orchard, and the appurtenances of the buildings: as, a wheat-field, or a field of potatoes.
6. any piece of open ground set apart or used for a special purpose: as, ableaching-field.
7. specifically in base-ball, cricket, and similar games: the ground on which the game is played; more specifically, in base-ball, that part of the ground on which the fielders play, and known as in-field, out-field, right-, center-, and left-field, according to the station of the corresponding players. see .
8. the fielders collectively: as, the work of the field was excellent.
9. any continuous extent of surface considered as analogous to a level expanse of ground: as, a field of ice or snow. see ice-field.
10. specifically the ground or blank space on which figures are drawn: as, the field or ground of a picture.
11. in numismatics, that part of the surface of a coin or medal which is left unoccupied by the main device (‘type’).
12. in heraldry, the escutcheon, considered as a plane of a given tincture upon which the different bearings appear to be laid; also, when the escutcheon is divided by impalement or quartering, each division, as a quarter or the half divided pale wise, it being considered as the whole escutcheon with reference to that coat of arms. (see cut under shield.) in a flag the field is the ground of each division.
13. in entomology, a place, space, or area, as a division of the surface of a wing: as, the posterior of the discoidal field.
14. any space or region; specifically, any region, open or covered with forests, considered with reference to its particular products or features; an extent of ground covered with or containing some special natural formation or production: as, diamond-, gold-, coal-, or oil- (petroleum-) fields.
15. A scene of operations; open space of any extent considered as a theater of action: as, researches in the field; the field of military operations; a hunting-field; the general's headquarters were in the field.
16. specifically A battle-ground; the space on which a battle is or has been fought; hence, a battle; an action: as, the field of waterloo; the field was held against all odds; to show how fields are lost and won.
17. the sphere or range of any connected series of actions; a subject or class of subjects concerning which observations or reflections are made; a class of connected objects toward which human energies are directed; the place where or that about which one busies himself: as, his field of operations was his counting-house; philology is an attractive field of research; a wide field of contemplation.
18. in physics, a portion of space considered as traversed by equipotential surfaces and lines of force, so that at every point of it a force would be exerted upon a particle placed there.
19. in sporting: those taking part in a hunt.
20. all the entries collectively against which a single contestant has to compete: as, to back a crew against the field
21. specifically, all the contestants not individually favored in betting: as, to bet on the field in a horse-race.
22. to maintain one's ground against all comers.
23. specifically, in electric machines, that part of the structure in which the magnetic flux is excited. the electrical or mechanical power is produced by rotation of the armature in the magnetic field or of the magnetic field in the armature. see cuts under armature.
24. in mathematics, same as domain, 8.

1. a particular kind of commercial enterprise
2. a geographic region (land or sea) under which something valuable is found
3. a branch of knowledge
4. all the competitors in a particular contest or sporting event
5. (mathematics) a set of elements such that addition and multiplication are commutative and associative and multiplication is distributive over addition and there are two elements 0 and 1
6. catch or pick up (balls) in baseball or cricket
7. somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected
8. a piece of land cleared of trees and usually enclosed
9. answer adequately or successfully
10. all of the horses in a particular horse race
11. the area that is visible (as through an optical instrument)
12. a region where a battle is being (or has been) fought
13. a particular environment or walk of life
14. extensive tract of level open land
15. a place where planes take off and land
16. select (a team or individual player) for a game
17. (computer science) a set of one or more adjacent characters comprising a unit of information
18. a region in which active military operations are in progress
19. the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it
20. play as a fielder
21. a piece of land prepared for playing a game