bathing 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