There are 2 definitions of Bikini in English:

Bikini

Syllabification: Bi·ki·ni
Pronunciation: /biˈkēnē
 
/
  • An atoll in the Marshall Islands, in the western Pacific Ocean, used by the US 1946–58 as a site for testing nuclear weapons.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody

There are 2 definitions of Bikini in English:

bikini

Syllabification: bi·ki·ni
Pronunciation: /biˈkēnē
 
/

noun (plural bikinis)

  • 1A very brief two-piece swimsuit for women.
    More example sentences
    • It may be winter outside, but Marks & Spencer is hotting up with fantastic bikinis, swimsuits, tankinis and dresses to flatter all.
    • A lot of hardy Scots braved what were chilly conditions and sported swimming costumes and even bikinis.
    • Some of the great sparkling looks came in tiny swimsuits or two-piece bikinis studded with silver nail heads including crocheted white suits.
  • 1.1 (also bikinis) Scanty underpants.
    More example sentences
    • Try layering a swim short over a one-piece or opt for low, hipster bikini bottoms.
    • As well as winning the bra, she was photographed wearing both it and a pair of Kylie-esque bikini pants in a national newspaper.
    • Bikinis are a super comfortable medium coverage silhouette that won’t show thru under heavier fabrics like denim or wool.

Origin

1940s: named after Bikini, where an atomic bomb was exploded in 1946 (because of the supposed 'explosive' effect created by the garment).

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