2. (noun)class, form, grade, course a body of students who are taught together "early morning classes are always sleepy"
3. (noun)class, stratum, social class, socio-economic class people having the same social, economic, or educational status "the working class"; "an emerging professional class"
4. (noun)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. (noun)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. (noun)class, year a body of students who graduate together "the class of '97"; "she was in my year at Hoehandle High"
7. (noun)class (biology) a taxonomic group containing one or more orders
9. (verb)classify, class, sort, assort, sort out, separate arrange or order by classes or categories "How would you classify these pottery shards--are they prehistoric?"
Definitions of 'class'
Webster 1913 Dictionary
1. (noun)class a group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes
2. (noun)class a number of students in a school or college, of the same standing, or pursuing the same studies
3. (noun)class a comprehensivedivision of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc
Definition of class 
