Dictionary

heater

noun heat·er \ˈhē-tər\

: a machine that heats water or air

Full Definition of HEATER

1
:  one that heats; especially :  a device that imparts heat or holds something to be heated
2
:  fastball
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First Known Use of HEATER

15th century
HEATER Defined for Kids

heater

noun heat·er \ˈhē-tər\

Definition of HEATER for Kids

:  a device for heating
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