Heater

//ˈhitɚ// name, noun, slang

name, noun, slang ·Common ·High school level

Definitions

Noun
  1. 1
    A device that produces and radiates heat, typically to raise the temperature of a room or building.

    "Turn on the heater; I'm cold."

  2. 2
    (baseball) a pitch thrown with maximum velocity wordnet
  3. 3
    A person who heats something, for example in metalworking.
  4. 4
    device that heats water or supplies warmth to a room wordnet
  5. 5
    A gun. dated, slang

    "The thug pumped two rounds from his heater into her."

Show 5 more definitions
  1. 6
    A fastball, especially one thrown at high velocity. slang

    "Jones threw a heater under his chin."

  2. 7
    An extended winning streak. slang

    "Emmy went on a heater in Las Vegas and came back six thousand dollars richer."

  3. 8
    A medieval European shield having a rounded triangle shape like a clothes iron. historical

    "It can be assumed that as the earlier kite shield transformed into the heater shape, there must have been versions in between the two styles. Indeed, in artwork of the Medieval period, shields are rarely present after 1450 and even then are quite small. The development of flattop heaters from larger kite shields is likely the result of increased fighting on horseback and the use of improved armor."

  4. 9
    A dead heat; a race in which two or more competitors reach the finish line simultaneously.
  5. 10
    Synonym of banger (“a powerfully energetic or exceptional song”). slang
Proper Noun
  1. 1
    A surname.

Example

More examples

"Feeling chilly, I turned on the heater."

Etymology

From heat + -er.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.