English Reference
noun

heater

n.
US /ˈhitɝ/ UK /hˈiːtɐ/ heater UK spelling Heaters

  1. 01 B1 Intermediate

    a machine or device that makes a room or building warm.

    an apparatus used to produce and radiate heat, typically for climate control in an indoor environment.

    Simple

    It was so cold in the office that I had to turn on my small electric heater.

    In context

    The landlord promised to repair the central heater before the first frost, but the tenants remained skeptical given his history of negligence.

    coolerair conditioner
  2. 02 C1 Advanced InformalSlang

    a period of time when you keep winning, especially in a game or gambling.

    an extended period of success or a winning streak, particularly in the context of gambling or sports.

    Simple

    He was on a real heater at the casino, winning five hands of poker in a row.

    In context

    After three hours on a heater, the gambler decided to walk away from the table while his chips were still piled high.

    Usage

    Usually used with the preposition 'on'.

    Teacher's tip

    Common in gambling and sports commentary to describe momentum.

  3. 03 C1 Advanced American EnglishSlang Sport

    a very fast throw in baseball.

    a fastball thrown at high velocity.

    Simple

    The pitcher threw a 98-mile-per-hour heater to strike out the final batter.

    In context

    The rookie struggled to catch up to the veteran's heater, swinging well after the ball had already crossed the plate.

    changeupcurveball
  4. 04 C2 Proficiency SlangInformal Music

    a song that is very energetic and exciting.

    a powerfully energetic or exceptional musical track.

    Simple

    The DJ played a total heater that got everyone on the dance floor immediately.

    In context

    The band's new single is an absolute heater, blending heavy bass with a catchy synth melody.

    Teacher's tip

    This is very modern slang; it is synonymous with 'banger'.

  5. 05 C2 Proficiency ArchaicSlang

    an old-fashioned slang word for a gun.

    a handgun or pistol.

    Simple

    In the old detective movie, the gangster reached for the heater in his pocket.

    In context

    The noir protagonist noted the bulge of a heater beneath the antagonist's tailored suit jacket.

    Teacher's tip

    Mainly found in mid-20th century crime fiction and film noir; not used in modern conversation.

This entry
Level B1 · Intermediate
Frequency Frequent
Updated