bathing costume bathing costume /ˈbeɪðɪŋ ˈkɑːstjuːm/

noun

1. Tight fitting garment worn for swimming  ( bathing costume , swimming costume , swimwear , bathing suit , swimsuit , bathers [Australian] , cossie [Informal, British] , cozzie [Informal, British] , swimmers [Informal, Australian] )
   tight fitting garment worn for swimming
    It's important to wear a comfortable and well-fitting swimsuit that allows you to move freely while swimming
   It's important to wear a comfortable and well-fitting swimsuit that allows you to move freely while swimming