heater

noun

heat·​er ˈhē-tər 

1

: one that heats

especially : a device that imparts heat or holds something to be heated

2

: fastball

Examples of heater in a Sentence

Recent Examples on the Web

Ellison, who is fifty-five, was slouched behind the wheel with the heater blowing on him. — Burkhard Bilger, New Yorker, 29 June 2026

Few arms, of course, can sustain 102 mph heaters and high-spin sliders on a starter’s workload. — Spencer Nusbaum, New York Times, 1 July 2026

In the seventh inning, Wacha used the heater to avoid potential trouble. — Kansas City Star, 23 June 2026

As for the seat heater, if power and wiring are intact, the heating element has likely failed, usually as an open circuit. — John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 27 June 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing heater

• immersion heater
• quartz heater
• space heater
• water heater

Rhymes for heater

• beater
• cheater
• dieter
• eater
• liter
• litre
• meter
• metre
• neater
• praetor
• seater
• skeeter

Kids Definition

heater

noun

heat·​er ˈhēt-ər 

: a device that heats or holds something to be heated