2. (athletic).A thick coat (or flannel jersey) worn by contestants after a finish until they can be rubbed down.
3. (stock exchange).See quot.
1871. G. D. ATKIN, House Scraps, 13. A SWEATER A broker who works for such small commissions as to prevent other brokers getting the business, whilst hardly being profitable to himself.
4. See SWEAT in all senses.