swimming costume
noun🔊/ˈswɪmɪŋ kɒstjuːm/
🔊/ˈswɪmɪŋ kɑːstuːm/
(British English) (also swimsuit British and North American English)
(North American English or old-fashioned bathing suit)
a piece of clothing worn for swimming, especially the type worn by women and girls （尤指女式）游泳衣