heater

play
noun heat·er \ˈhē-tər\

Definition of heater

  1. 1 :  one that heats; especially :  a device that imparts heat or holds something to be heated

  2. 2 :  fastball

Recent Examples of heater from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heater.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of heater

15th century


HEATER Defined for English Language Learners

heater

play
noun

Definition of heater for English Language Learners

  • : a machine that heats water or air


HEATER Defined for Kids

heater

play
noun heat·er \ˈhē-tər\

Definition of heater for Students

  1. :  a device for heating



Seen and Heard

What made you want to look up heater? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an extremely thin woman

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!