The meaning of CUSTOM is a usage or practice common to many or to a particular place or class or habitual with an individual. How to use custom in a sentence. Synonym Discussion of Custom.

custom adjective [ before noun ] uk / ˈkʌs.təm / us / ˈkʌs.təm / (of a product, feature, etc.) specially designed for a particular person or purpose:

Definition of custom noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A custom is an activity, a way of behaving, or an event which is usual or traditional in a particular society or in particular circumstances.

custom a practice followed as a matter of course among a people; a habitual practice of an individual: It is her custom to take a walk every night before dinner.

There are 18 meanings listed in OED's entry for the word custom, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Custom definition: A common tradition or usage so long established that it has the force or validity of law.