heaters
noun
Definitions
A device that produces and radiates heat, typically to raise the temperature of a room or building.
Example: Turn on the heater; I'm cold.
A person who heats something, for example in metalworking.
A gun.
Example: The thug pumped two rounds from his heater into her.
A fastball, especially one thrown at high velocity.
Example: Jones threw a heater under his chin.