0 a group of students who have lessons together -- classe
We were in the same class at school.
1 a period of time in which students are taught something -- classe
My first class starts at 8.30.
2 a group into which products, services, or people are put according to their standard -- classe
3 one of the groups in a society with the same social and economic position -- classe
4 a group of similar or related things, especially plants and animals -- classe