what do you mean by class

class noun 1. a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality. 2. a system of ordering society whereby people are divided into sets based on perceived social or economic status. 3. a group of students or pupils who are taught together. verb 1. assign or regard as belonging to a particular category. adjective · informal 1. showing stylish excellence.