1. A long flat slab of sawed lumber; a plank.
2. A flat piece of wood or similarly rigid material adapted for a special use.
3. games A flat surface on which a game is played.
4. the hard cover of a book.
5. A theater stage.
6. A table, especially one set for serving food.
7. food or meals considered as a whole: board and lodging.
8. A table at which official meetings are held; a council table.
9. an organized body of administrators or investigators: a board of trustees; a board of directors.
10. an electrical-equipment panel.
11. computer science A circuit board.
12. sports A scoreboard.
13. sports A tote board.
14. sports the wooden structure enclosing an ice hockey rink.
15. sports A diving board.
16. sports A surfboard.
17. sports A snowboard.
18. basketball A backboard.
19. basketball A rebound.
20. nautical the side of a ship.
21. nautical A leeboard.
22. nautical A centerboard.
23. obsolete A border or an edge.
24. A usually large, vertically positioned flat surface used for writing or posting, especially:
25. A blackboard.
26. A bulletin board.
27. to cover or close with boards: board up a broken window.
28. to furnish with meals in return for pay.
29. to house where board is furnished: board a horse at a stable.
30. to enter or go aboard (a vehicle or ship).
31. to allow (passengers) on board.
32. nautical to come alongside (a ship).
33. sports to force (an opposing hockey player) into the boards with a body check.
34. obsolete to approach.
35. to receive meals or food and lodging as a paying customer.
36. across the board so as to affect or include all people, classes, or categories: raised taxes across the board.
37. on board aboard.
38. on board on the job.

1. A relatively long, wide and thin piece of sawn wood or similar material, usually intended for use in construction.
2. A device (e.g., switchboard) containing electrical switches and other controls and designed to control lights, sound, telephone connections, etc.
3. short for blackboard, whiteboard, chessboard, surfboard, etc.
4. A committee that manages the business of an organization, e.g., a board of directors.
5. regular meals or the amount paid for them in a place of lodging.
6. the side of a ship.
7. the distance a sailing vessel runs between tacks when working to windward
8. A rebound.
9. the wall that surrounds an ice hockey rink, often in plural.
10. A long, narrow table, like that used in a medieval dining hall.
11. to step or climb onto or otherwise enter a ship, aircraft, train or other conveyance.
12. to provide someone with meals and lodging, usually in exchange for money.
13. to receive meals and lodging in exchange for money.
14. (nautical) to capture an enemy ship by going alongside and grappling her, then invading her with a boarding party
15. to obtain meals, or meals and lodgings, statedly for compensation
16. to approach (someone); to make advances to, accost.
17. to hit (someone) with a wooden board.

1. A piece of timber sawed thin, and of considerable length and breadth as compared with the thickness, -- used for building, etc.
2. A table to put food upon.
3. hence: what is served on a table as food; stated meals; provision; entertainment; -- usually as furnished for pay.
4. A table at which a council or court is held.
5. A square or oblong piece of thin wood or other material used for some special purpose, ; a board or surface painted or arranged for a game.
6. paper made thick and stiff like a board, for book covers, etc.; pasteboard.
7. the stage in a theater.
8. the border or side of anything.
9. the side of a ship.
10. the stretch which a ship makes in one tack.
11. to obtain meals, or meals and lodgings, statedly for compensation.
12. to cover with boards or boarding.
13. to go on board of, or enter, as a ship, whether in a hostile or a friendly way.
14. to enter, as a railway car.
15. to furnish with regular meals, or with meals and lodgings, for compensation; to supply with daily meals.
16. to place at board, for compensation.
17. to approach; to accost; to address; hence, to woo.

1. to cover with boards; inclose or close up with boards; lay or spread with boards: often with up, in, or over.
2. in leather manufacturing, to rub (leather) with a pommel or graining-board, in order to give it a granular appearance, and make it supple.
3. to place at board: as, he boarded his son with mrs. so-and-so.
4. to furnish with food, or food and lodging, for a compensation: as, his landlady boards him at a reasonable price.
5. to come up alongside of (in order to attack); fall aboard of.
6. to go on board of (a vessel).
7. to put on board; stow away.
8. to approach; accost; make advances to.
9. to border on; approach.
10. to send out to board; hire or procure the board of elsewhere: as, to board out a child or a horse.
11. to shut in with boards: as, to board up a flock of chickens.
12. to case with boards: as, to board up a room or a house.
13. to take one's meals, or be supplied with both food and lodging, in the house of another, at a fixed price.
14. nautical, to tack.
15. A piece of timber sawed thin, and of considerable length and breadth compared with the thickness.
16. A table, especially as being used to place food on.
17. hence that which is served on a board or table; entertainment; food; diet.
18. provision for a person's daily meals, or food and lodging, especially as furnished by agreement or for a price: applied also to the like provision for horses and other animals.
19. A table at which a council or the session of a tribunal is held.
20. hence, by metonymy A number of persons having the management, direction, or superintendence of some public or private office or trust: as, a board of directors; the board of trade; the board of health; a school-board.
21. A flat slab of wood used for some specific purpose: as, an ironing-board; a bake-board; a knife-board.
22. A tablet; especially, a tablet upon which public notices are written, or to which they are affixed: as, a notice-board; a bulletin-board.
23. A table, tablet, or frame on which games are played: as, a chess- or backgammon-board; a bagatelle-board.
24. plural the stage of a theater: as, to go upon the boards, to leave the boards (that is, to enter upon or leave the theatrical profession).
25. A kind of thick stiff paper; a sheet formed by layers of paper pasted together; pasteboard: usually employed in compounds: as, cardboard, millboard, Bristol-board.
26. hence in bookbinding, one of the two stiff covers on the sides of a book.
27. plural in printing, thin sheets of very hard paper-stock placed between printed sheets in a press to remove the indentation of impression: distinctively called press-boards.
28. nautical: the deck and interior of a ship or boat: used in the phrase on board, aboard.
29. the side of a ship.
30. the line over which a ship runs between tack and tack.
31. in mining, as generally used in england: nearly equivalent to breast, as used among pennsylvania miners. see breast.
32. an equivalent of cleat.
33. hence— to be completely destroyed or carried away.
34. in an australian wool-shed, the floor on which the sheep are sheared; hence, the shearers there.

1. a flat piece of material designed for a special purpose
2. a flat portable surface (usually rectangular) designed for board games
3. lodge and take meals (at)
4. electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
5. a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
6. get on board of (trains, buses, ships, aircraft, etc.)
7. a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
8. provide food and lodging (for)
9. a table at which meals are served
10. a committee having supervisory powers
11. live and take one's meals at or in
12. a vertical surface on which information can be displayed to public view
13. food or meals in general