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English definition of “custom”

custom

noun uk   /ˈkʌs.təm/ us  

custom noun (USUAL WAY)

B1 [C or U] a way of behaving or a belief that has been established for a long time: a local/ancient custom [+ to infinitive] In my country, it's the custom (for women) to get married in white. [S] something you usually do: He left the house at nine exactly, as is his custom.

custom noun (TRADE)

[U] the support given to a business, especially a shop, by the people who buy things or services from it: Most of our custom comes from tourists nowadays. If we don't give good service, people will take their custom elsewhere.

custom noun (OFFICIAL CHECK)

customs [plural] B1 the place at a port, airport, or border where travellers' bags are looked at to find out if any goods are being carried illegally: to go through customs
(Definition of custom noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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