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[yahl-lahr-hawrn] /ˈyɑl lɑrˌhɔrn/
noun, Scandinavian Mythology.
Heimdall's horn, used to warn the gods of Ragnarok.
Origin of Gjallar-horn
< Old Norse, equivalent to gjallar, genitive singular of gjǫll noise, din (Compare gjalla to resound loudly, scream; cognate with Old English g(i)ellan to yell) + horn horn Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Historical Examples
  • He has a trumpet called the gjallarhorn, and when he blows it it can be heard in all the worlds.

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