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[hee-ter] /ˈhi tər/

any of various apparatus for , especially for water or the air in a room.
Electronics. the element of a vacuum tube that carries the current for a cathode.
Slang. a pistol, revolver, or other firearm.
any device for supplying heat, such as a hot-air blower, radiator, convector, etc
(US, slang) a pistol
(electronics) a conductor carrying a current that indirectly heats the cathode in some types of valve

c.1500, of persons, agent noun from heat. Of devices, from 1660s. Baseball slang meaning “fastball” is attested by 1985.


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  • Heathberry

    [heeth-ber-ee, -buh-ree] /ˈhiθˌbɛr i, -bə ri/ noun, plural heathberries. 1. . 2. any berry found on heaths, especially the bilberry. /ˈhiːθˌbɛrɪ/ noun (pl) -ries 1. any of various plants that have berry-like fruits and grow on heaths, such as the bilberry and crowberry

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