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.

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
wear to the beach over a bikini to work with jeans oh here we go
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.