The outfit that rowers wear. A one piece, tight fitting suit, that looks like they are wearing bike shorts and a singlet top. They are tight fitting to allow rowers to move without restriction or catching their clothing on anything. You will often hear rowers comment/complain of a zootie-tan. Can also be refered to as a zoot-suit or a uni.
"Look at that rower's zootie, you can see every muscle bulging!"