a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality

it has good accommodation for a hotel of this class

a new class of heart drug

a system of ordering society whereby people are divided into sets based on perceived social or economic status

people who are socially disenfranchised by class

the class system

a group of students or pupils who are taught together

selected pupils act as representatives for the whole class

assign or regard as belonging to a particular category

conduct which is classed as criminal