Definify.com
Webster 1913 Edition
Sweater
Sweat′er
,Noun.
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]
Webster 1828 Edition
Sweater
SWEAT'ER
,Noun.