- complete in one piece, as a garment: a one-piece snowsuit.
- Also called one-piec·er. a one-piece garment.
Origin of one-piece
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of a garment, esp a bathing costume) made in one piece
- a garment, esp a bathing costume, made in one piece
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012