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

The brand's new Bitwater replaces the lower water heater element in your existing tank. — Abhimanyu Ghoshal, New Atlas, 27 Oct. 2026

Butner recently installed a new hot water heater and dishwasher, and replaced the flooring in hopes of making the property more attractive. — Arkansas Online, 26 Oct. 2026

For colder months, a fire pit or propane heater stored and used safely, plus heated blankets, can keep the area in play. — Lauren Schuster, Miami Herald, 23 Oct. 2026

For year-round use, add shade with sail shades, pergolas or umbrellas, and plan for cold weather with a fire pit or propane heater (stored and used safely) plus heated blankets. — Lauren Schuster, Fort Worth Star-Telegram, 23 Oct. 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