1 [C,U] a way of behaving which a particular group or society has had for a long time 风俗；习俗: It's the custom in Britain for a bride to throw her bouquet to the wedding guests. 按照英国习俗，新娘子会把花束掷向婚礼的宾客。according to local custom 根据当地习俗 ☞Look at the note at habit. 参看habit的注释。

2 [sing] (formal 正式) something that a person does regularly （某人的）习惯: It's my custom to drink tea in the afternoon. 我有下午喝茶的习惯。

3 [U] (Brit 英) commercial activity; the practice of people buying things regularly from a particular shop, etc （经常）惠顾，光顾: The local shop lost a lot of custom when the new supermarket opened. 新的超级市场开业后，光顾这家本地商店的人就少了很多。 ☞Look at customs. 参看customs。