1. A set, collection, group, or configuration containing members regarded as having certain attributes or traits in common; a kind or category.
2. A division based on quality, rank, or grade, as:
3. A grade of mail: a package sent third class.
4. A quality of accommodation on public transport: tourist class.
5. A social stratum whose members share certain economic, social, or cultural characteristics: the lower-income classes.
6. social rank or caste, especially high rank.
7. informal elegance of style, taste, and manner: an actor with class.
8. A level of academic development, as in an elementary or secondary school.
9. A group of students who are taught together because they have roughly the same level of academic development.
10. A group of students or alumni who have the same year of graduation.
11. A group of students who meet at a regularly scheduled time to study the same subject.
12. the period during which such a group meets: had to stay after class.
13. biology A taxonomic category ranking below a phylum or division and above an order. see table at taxonomy.
14. statistics an interval in a frequency distribution.
15. linguistics A group of words belonging to the same grammatical category that share a particular set of morphological properties, such as a set of inflections.
16. to arrange, group, or rate according to qualities or characteristics; assign to a class; classify.

1. A group, collection, category or set sharing characteristics or attributes.
2. A social grouping, based on job, wealth, etc. in britain, society is commonly split into three main classes; upper class, middle class and working class.
3. the division of society into classes.
4. admirable behavior; elegance.
5. A group of students in a regularly scheduled meeting with a teacher.
6. A series of classes covering a single subject.
7. A group of students who commenced or completed their education during a particular year. A school class.
8. A category of seats in an airplane, train or other means of mass transportation.
9. A rank in the classification of organisms, below phylum and above order; a taxon of that rank.
10. best of its kind.
11. A collection of sets definable by a shared property.
12. A group of people subject to be conscripted in the same military draft, or more narrowly those persons actually conscripted in a particular draft.
13. A set of objects having the same behavior (but typically differing in state), or a template defining such a set.
14. to assign to a class.
15. to be grouped or classed.
16. great; fabulous

1. exhibiting refinement and high character. opposite of
2. A group of individuals ranked together as possessing common characteristics.
3. A number of students in a school or college, of the same standing, or pursuing the same studies.
4. A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
5. A set; a kind or description, species or variety.
6. one of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.
7. one session of formal instruction in which one or more teachers instruct a group on some subject. the class may be one of a course of classes, or a single special session.
8. A high degree of elegance, in dress or behavior; the quality of bearing oneself with dignity, grace, and social adeptness.
9. to be grouped or classed.
10. to arrange in classes; to classify or refer to some class.
11. to divide into classes, as students; to form into, or place in, a class or classes.

1. to arrange in a class or classes; rank together; regard as constituting a class; refer to a class or group; classify; range.
2. to place in ranks or divisions, as students that are pursuing the same studies; form into a class or classes, as in an educational institution.
3. to be arranged or classed.
4. in shipbuilding, to assign to a class of a registration society, such as lloyd's: said of a merchant vessel. A vessel not classed is one which has not been inspected and assigned a class by any registration society, or the classification of which has been refused for some reason, not necessarily involving deterioration or inferior quality.
5. to be assigned to a class. see I., 3.
6. an abbreviation of classic or classical
7. of classification.
8. in anc. hist., one of the five divisions of the roman citizens made, according to their wealth, by Servius Tullius, for purposes of taxation: a sixth division comprised those whose possessions fell below the minimum of the census.
9. an order or rank of persons; a number of persons having certain characteristics in common, as equality in rank, intellectual influence, education, property, occupation, habits of life, etc.
10. any body of persons grouped together by particular circumstances or for particular reasons.
11. A number of objects distinguished by common characters from all others, and regarded as a collective unit or group; a collection capable of a general definition; a kind.
12.
13. in natural history, a group of plants or animals next in rank above the order or superorder, and commonly formed by the union of several orders or superorders: but it may be represented by a single species. see classification.
14. in geometry, the degree of a locus of planes; a division of algebraical loci bearing an ordinal number showing how many planes there are incident to the locus and passing through each line of space.
15. in petrography, in the quantitative classification of igneous rocks (see rock), the highest division.
16. in shipbuilding, the indication of the character, style of construction, and quality of workmanship and outfit of a merchant vessel, as determined by the rules and inspection of a registration society. the class to which a vessel is assigned is indicated in the register of each society by a conventional character such as 100A, 90A, etc. see A, 2 .
17. the indication of the size and power of any given type of war-ship: as, a first-class battle-ship, a first-, second-, or third-class cruiser, etc.
18. in crystallog., one of the thirty-two groups in which crystals are divided in accordance with the special type of symmetry which characterizes them. see symmetry.

1. a body of students who are taught together
2. (biology) a taxonomic group containing one or more orders
3. people having the same social, economic, or educational status
4. elegance in dress or behavior
5. arrange or order by classes or categories
6. a league ranked by quality
7. a collection of things sharing a common attribute
8. a body of students who graduate together
9. education imparted in a series of lessons or meetings