Origin of one-piece
Examples from the Web for one-piece
Clearly the attraction was the nine-year-old girl in her one-piece.A Nation of Onlookers: India’s Violence Against Women and America’s Guns|Dilip D’Souza|December 22, 2012|DAILY BEAST
The one-piece dinner is as convenient and comfortable as the one-piece frock.Dishes & Beverages of the Old South|Martha McCulloch Williams
In a fever of joyous haste she threw off her clothes and donned the dainty, one-piece bathing suit.The Foolish Virgin|Thomas Dixon
The "one-piece" house was an assured thing from that time on.The Boy's Book of New Inventions|Harry E. Maule
With the crankcase, they did not go all the way to the modern two-piece form but instead retained the one-piece construction.The Wright Brothers' Engines and Their Design|Leonard S. Hobbs.
"I'm going to pretend to have a sick headache," said the other person, and I knew it was the one-piece lady.Bab: A Sub-Deb|Mary Roberts Rinehart