union suit

union suit

n. A one-piece undergarment combining shirt and long pants.

un′ion suit`

n. a close-fitting, knitted undergarment combining shirt and drawers in one piece and often having a drop seat. [1890–95]

Thesaurus

Noun

1.

union suit - an undergarment with shirt and drawers in one piecelong underwearundergarment, unmentionable - a garment worn under other garments