Wonderbra™
noun /ˈwʌndəbrɑː/
/ˈwʌndərbrɑː/
- a popular make of bra (= underwear that women wear to support their breasts). Wonderbras were introduced in Canada in the 1960s. A style which makes the breasts appear larger became popular in Britain in the 1990s after a major advertising campaign showing attractive women wearing it.