DictionarybikiniTwo-piece swimsuit
noun

bikini

bih-KEE-nee/bɪˈkiːni/

A two-piece swimsuit covering the chest and groin.

The bikini's top and bottoms lie side by side.

A matching bikini top and low-waisted swim bottoms laid flat, visibly separate, with a clear white gap between the two pieces.
Etymology

French bikini was named after Bikini Atoll, the site of an atomic-bomb test. An analogy between the swimsuit's impact and an explosion has been suggested, but the naming motive is not securely established.

In context

Inside the Hem12:07
wear to the beach over a bikini to work with jeans oh here we go
Sycamore Road Indie Sewing Pattern Collection | First Impression Review

More examples

  • The shop sells bikinis in several sizes.
  • He packed her bikini with the other swimwear.
  • She rinsed the sand out of her bikini.

Forms

bikini · bikinis

Similar words

swimsuit
Broader; includes one-piece swimwear.
two-piece
Can name swimwear but also other matching two-part outfits.