one-piece

[ wuhn-pees ]
/ ˈwʌnˌpis /

adjective

complete in one piece, as a garment: a one-piece snowsuit.

noun

Also called one-piec·er. a one-piece garment.

Origin of one-piece

First recorded in 1875–80

British Dictionary definitions for one piece

one-piece

adjective

(of a garment, esp a bathing costume) made in one piece

noun

a garment, esp a bathing costume, made in one piece