bustier

(noun) a close-fitting and strapless top without sleeves that is worn by women either as lingerie or for evening dress.

(adj) (of a woman's body) having a large bosom and pleasing curves. Synonyms: bosomy, busty, buxom, curvaceous, curvy, full-bosomed, sonsie, sonsy, stacked, voluptuous, well-endowed. Examples: "Hollywood seems full of curvaceous blondes." "A curvy young woman in a tight dress."