Focus on the pronunciation of custom
English definition of “custom”
› [U] mainly UK COMMERCE the support given to a business, especially a store, by the people who buy things or services from it: Most of our custom comes from tourists. If we don't give good service, people will take their custom elsewhere. lose/need/want sb's custom → See also business
› [C or U] a way of behaving or doing something which has existed for a long time and is considered as the usual way: There is a custom that banks buy at the top of the market and sell at the bottom. The solicitors suggested that the advice from the British Bankers' Association counted only as custom and practice and was not in fact law.