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