Look up class in Wiktionary, the free dictionary.
A class is generally a group or category defined by some classification.
Class, Classes, or The Class may refer to:
- Class (taxonomy), a taxonomic rank
- Class (knowledge representation), a collection of individuals or objects
- Class (philosophy), an analytical concept used differently from such group phenomena as "types" or "kinds"
- Class (set theory), a collection of sets that can be unambiguously defined by a property that all its members share
- Drug class, various pharmacological, chemical, and legal classifications of biologically active compounds
- Hazard class, a dangerous goods classification
- Social class, the hierarchical arrangement of individuals in society, usually defined by wealth and occupation
