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

Boyd wouldn’t throw Báez another heater in his next two at-bats against him. — Andy Martinez, Chicago Tribune, 16 Aug. 2026

Wellhouse Leisure Wellhouse rounds out its micro-camper package with a full electrical system and an air heater integrated into the console below the rear kitchen counter. — New Atlas, 13 Aug. 2026

There were other costs like those for interior systems, like plumbing, a water softener, the heater, HVAC and insulation that work to keep the home comfortable. — Tabitha Parent, PEOPLE, 13 Aug. 2026

This can happen even from being left in direct sunlight, inside a hot vehicle, or near a heater. — Hannah Nwoko, Parents, 13 Aug. 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