sweater Meaning, Definition & Usage

  1. noun a crocheted or knitted garment covering the upper part of the body
    jumper.
  2. noun a person who perspires
    perspirer.

WordNet

Sweat"er noun
Definitions
  1. One who sweats.
  2. One who, or that which, causes to sweat; as: (a) A sudorific. (b) A woolen jacket or jersey worn by athletes. (c) An employer who oppresses his workmen by paying low wages. Slang jersey worn by lots of people, not just athletes. Needs expansion.

Webster 1913