brassiere

American  

[bruh-zeer] / brəˈzɪər /

Or brassière

noun

1. a woman's undergarment for supporting the breasts.

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brassiere British  

/ ˈbræsɪə, ˈbræz- /

noun

1. Often shortened to: bra.  a woman's undergarment for covering and supporting the breasts

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Etymology

Origin of brassiere

1910–15; < French brassière bodice worn as an undergarment to support the breasts (now obsolete in this sense), Middle French bracieres camisole, Old French: armor for the arms, equivalent to bras arm ( see brace) + -ière, suffix added to body part nouns, the resultant derivative denoting an article for that part < Latin -āria -ary