union suit

The union suit may be of linen, silk, or cotton, with the weight suitable for the season.

She sewed up his union suit and put a bright blue patch on his brown linen breeches.

Chris's clown costume was finished and looked very much like a white union suit miles too big for him.

But somehow they'd doped out a one-piece union suit cut high in the neck with sort of a knickerbocker effect to the lower end.

Preferably it should be a loosely fitting union suit of pure soft wool regardless of season.