[noun] [C] - a two-piece swimming costume for womena bikini topbikini bottoms/briefsOne-piece swimming costumes are more fashionable than bikinis this year.The beach was full of bikini-clad women (= women dressed in bikinis) trying to improve their tans.
BIKINI
Meaning of BIKINI in English
Cambridge English vocab. Кембриджский английский словарь. 2012