heater

noun heat·er \ ˈhē-tər \
Updated on: 2 Feb 2018

Definition of heater

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

noun

Definition of heater for English Language Learners

  • : a machine that heats water or air


HEATER Defined for Kids

heater

noun heat·er \ ˈhē-tər \

Definition of heater for Students

: a device for heating


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