playsuit

noun3

1. •
   A one-piece stretch garment worn by very young children.

   • Like Marsha, his hair was tinged a faint rusty red. Sound asleep in a chair in the corner was a small girl, perhaps three, in a rumpled playsuit. — 1950
2. •
   A one-piece item of clothing for women.

   • The playsuit combines shorts, a skirt, and a backless bodice. — 2010
3. •
   A one-piece undergarment for women.