noun
plural classes
[count] :a group of students who meet regularly to be taught a subject or activity
In U.S. English, class is used with a singular verb.
[count] :a series of meetings in which students are taught a particular subject or activity :a course of instruction
one of the meetings in which students are taught a particular subject or activity [count]
[count] US :a group of students who finish their education at a particular school at the same time :students who graduate together
[count] :a group of people in a society who are at the same economic and social level
[noncount] :the way people in a society are divided into different social and economic groups
[noncount] a quality that makes something or someone seem special and attractive
a quality that makes someone seem very good, kind, etc.
[count] a group of people or things that are similar in some way
If you are in a class by yourself or in a class of your own, you are very different from others in a good or bad way.
one of the sections of seats on an airplane, train, etc.
[count] Brit :one of the levels of a university degree
verb
classes; classed; classing
[+ obj] :to decide that (someone or something) belongs to a particular group :classify
usually used as (be) classed; often + as