custom in English:

1. a usual way of behaving

English word "custom"(a usual way of behaving) occurs in sets:

business law

2. a special way of doing something that is part of a person's culture

English word "custom"(a special way of doing something that is part of a person's culture) occurs in sets:

kay vocabulary 11/5/15 test

3. a usual or regular activity or habit

4. something that is done by people in a particular society because it is traditional

5. an action that people traditionally do in a country

6. a way of behaving or a belief that has been established for a long time