Jump suit

from WordNet (r) 3.0 (2006)

jump suit
    n 1: one-piece garment fashioned after a parachutist's uniform
         [syn: {jump suit}, {jumpsuit}]
    2: one-piece uniform worn by parachutists

from The Collaborative International Dictionary of English v.0.48

Jump suit \Jump" suit`\, Jumpsuit \Jump"suit`\, n.
   1. a one-piece coverall used by parachutists while jumping
      from an airplane.
      [PJC]

   2. a one-piece garment resembling a jumpsuit[1], having a
      shirt or blouse attached to trousers or shorts.
      [PJC]