WordWeb Online

1. A collection of things sharing a common attribute
   "there are two classes of detergents";
   - category, family
    
2. A body of students who are taught together
   "early morning classes are always sleepy";
   - form, grade [N. Amer], course
    
3. People having the same social, economic, or educational status
   "an emerging professional class"; "the working class";
   - stratum, social class, socio-economic class
    
4. Education imparted in a series of lessons or meetings
   "flirting is not unknown in college classes";
   - course, course of study, course of instruction
    
5. A league ranked by quality
   "he played baseball in class D for two years";
   - division
    
6. A body of students who graduate together
   "the class of '97";
   - year
    
7. Elegance in dress or behaviour
   "she has a lot of class"
    
8. A category associated with a particular level of service, e.g. of seats in an aircraft, train, etc.
    
9. (biology) a taxonomic group containing one or more orders
    
10. (object-oriented programming) a template containing related functions, variables, properties etc. that is used to generate instances (where each objects instance may have different specific values of the class properties)

1. Arrange or order by classes or categories
   "How would you class these pottery shards--are they prehistoric?";
   - classify, sort, assort, sort out, separate

Derived forms: classing, classes, classed

Type of: accumulation, aggregation, assemblage, categorise [Brit], categorize, collection, conference, didactics, education, educational activity, elegance, elegancy [archaic], gathering, instruction, league, pedagogy, people, taxon, taxonomic category, taxonomic group, teaching

Part of: class structure, phylum, society

Encyclopedia: Class, Sarah