heater Meaning, Definition & Usage

  1. noun device that heats water or supplies warmth to a room
    warmer.
  2. noun (baseball) a pitch thrown with maximum velocity
    hummer; fastball; smoke; bullet.
    • he swung late on the fastball
    • he showed batters nothing but smoke

WordNet


Heat"er noun
Definitions
  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.

Webster 1913