class

noun17

1. •
   A group, collection, category or set sharing characteristics or attributes.

   • The new Ford Fiesta is set to be best in the 'small family' class.
   • That is one class-A heifer you got there, sonny.
2. •
   a group of students who meet with a teacher at regular times for lessons

   • The class was noisy, but the teacher was able to get their attention with a story.
3. •
   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.
4. •
   A category of seats in an airplane, train or other means of mass transportation.

   • I used to fly business class, but now my company can only afford economy.
5. •
   A rank in the classification of organisms, below phylum and above order; a taxon of that rank.

   • Magnolias belong to the class Magnoliopsida.
6. •
   A grouping of data values in an interval, often used for computation of a frequency distribution.
7. •
   A collection of sets definable by a shared property, especially one which is not itself a set (in which case the class is called proper).

   • The class of all sets is not a set.
   • Every set is a class, but classes are not generally sets. A class that is not a set is called a proper class.
8. •
   A set of objects having the same behavior (but typically differing in state), or a template defining such a set in terms of its common properties, functions, etc.
9. •
   A single lesson in a series.

   • Tomorrow's class will cover long division.
10. •
    A series of lessons covering a single subject.

    • I took the cooking class for enjoyment, but I also learned a lot.
11. •
    The division of society into classes.

    • Jane Austen's works deal with class in 18th-century England.
12. •
    Admirable behavior; elegance.

    • Apologizing for losing your temper, even though you were badly provoked, showed real class.
13. •
    Best of its kind.

    • It is the class of Italian bottled waters.
14. •
    A group of students who commenced or completed their education during a particular year. A school class.

    • The class of 1982 was particularly noteworthy.
15. •
    A group of people subject to be conscripted in the same military draft, or more narrowly those persons actually conscripted in a particular draft.
16. •
    (India) a grade, standard, level of education.
17. •
    One of the sections into which a Methodist church or congregation is divided, supervised by a class leader.

verb3

1. •
   To assign to a class; to classify.

   • I would class this with most of the other mediocre works of the period.
2. •
   To be grouped or classed.

   • the genus or family under which it classes — 1790
3. •
   To divide into classes, as students; to form into, or place in, a class or classes.

adjective1

1. •
   (Ireland, slang) great; fabulous

   • To talented authors Tim Ash and Brian Reich for introducing me to John Wiley & Sons—a truly class outfit. — 2009

noun1

1. •
   Abbreviation of classification.

verb1

1. •
   Abbreviation of classify.