Definition of "heater" in English

noun

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. A person who heats something, for example in metalworking.

3. (dated, slang) A gun.

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

4. (baseball, slang) A fastball, especially one thrown at high velocity.

   • Jones threw a heater under his chin.

5. (gambling, slang) An extended winning streak.

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

6. (historical) A medieval European shield having a rounded triangle shape like a clothes iron.

7. (horse racing) A dead heat; a race in which two or more competitors reach the finish line simultaneously.

8. (slang) Synonym of banger (“powerfully energetic or very good song”).