one-piece swimsuit
US /ˈwʌn.piːs ˈswɪm.suːt/
UK /ˈwʌn.piːs ˈswɪm.suːt/
1.
a type of swimwear for women that covers the torso, as opposed to a two-piece bikini
:
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She wore a stylish one-piece swimsuit to the beach.
•
Many competitive swimmers prefer a one-piece swimsuit for better hydrodynamics.