From WordNet (r) 3.0 (2006):
class
n 1: a collection of things sharing a common attribute; "there
are two classes of detergents" [syn: class, category,
family]
2: a body of students who are taught together; "early morning
classes are always sleepy" [syn: class, form, grade,
course]
3: people having the same social, economic, or educational
status; "the working class"; "an emerging professional class"
[syn: class, stratum, social class, socio-economic
class]
4: education imparted in a series of lessons or meetings; "he
took a course in basket weaving"; "flirting is not unknown in
college classes" [syn: course, course of study, course
of instruction, class]
5: a league ranked by quality; "he played baseball in class D
for two years"; "Princeton is in the NCAA Division 1-AA"
[syn: class, division]
6: a body of students who graduate together; "the class of '97";
"she was in my year at Hoehandle High" [syn: class, year]
7: (biology) a taxonomic group containing one or more orders
8: elegance in dress or behavior; "she has a lot of class"
v 1: arrange or order by classes or categories; "How would you
classify these pottery shards--are they prehistoric?" [syn:
classify, class, sort, assort, sort out,
separate]