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English definition of “custom”

custom

noun  /ˈkʌs·təm/ us  

custom noun (TRADITION)

[C/U] a way of behaving or a belief that has been established for a long time among a group of people: [C] It was a time-honored custom of the club that blue chairs were reserved for senior members only. [C] She’s studying the language and customs of the Hopi Indians.

custom noun (USUAL ACTIVITY)

[C] something you usually do: He left the house at nine exactly, as was his custom.

custom

adjective [not gradable]  /ˈkʌs·təm/ us  

custom adjective [not gradable] (MADE ONCE)

made for a particular person to buy: custom drapes/woodworking
customize
verb [T]  /ˈkʌs·təˌmɑɪz/ us  
We will customize existing software to meet our clientsneeds.
(Definition of custom from the Cambridge Academic Content Dictionary © Cambridge University Press)
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