noun
heater
HEE-tuh
noun
1
A device that produces warmth, used to heat a room, building, or object.
"We plugged in the electric heater because the room was freezing."
2
Informal (US slang): a handgun.
"He said he saw the guy tuck a heater into his jacket."
How to Use Heater
Learner’s notesIn plain EnglishA device that gives off heat — or, in slang, a gun.
Common pairings
space heater
electric heater
turn on the heater
Word Forms
heaters plural, Heaters plural
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We plugged in the electric _____ because the room was freezing.