bath·ing suit
noun/ˈbeɪðɪŋ suːt/
/ˈbeɪðɪŋ suːt/
(North American English or old-fashioned) (also swimsuit British and North American English, British English also swimming costume)
- a piece of clothing worn for swimming, especially the type worn by women and girls
（尤指女式）游泳衣