Definify.com
Webster 1913 Edition
Heater
Heat′er
(hēt′ẽr)
, Noun.
1.
One who, or that which, heats.
2.
Any contrivance or implement, as a furnace, stove, or other heated body or vessel, etc., used to impart heat to something, or to contain something to be heated.
Feed heater
. See under
Feed
.Webster 1828 Edition
Heater
HE'ATER
,Noun.
1.
A triangular mass of iron, which is heated and put into a box-iron to heat it and keep it hot, for ironing or smoothing clothes. [This utensil is going into disuse.]