definition of
class

[1] #1 class n. [category, family] a collection of things sharing a common attribute; "there are two classes of detergents". wn

[2] #2 class n. [form, grade, course] a body of students who are taught together; "early morning classes are always sleepy". wn

[3] #3 class n. [stratum, social class, socio-economic class] people having the same social, economic, or educational status; "the working class"; "an emerging professional class". wn

[4] #4 class n. [course, course of study, course of instruction] education imparted in a series of lessons or meetings; "he took a course in basket weaving"; "flirting is not unknown in college classes". wn

[5] #5 class v. [classify, sort, assort, sort out, separate] arrange or order by classes or categories; "How would you classify these pottery shards--are they prehistoric?". wn