- Heimdall's horn, used to warn the gods of Ragnarok.
Origin of Gjallar-horn
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gjallarhorn
He has a trumpet called the Gjallarhorn, and when he blows it it can be heard in all the worlds.The Younger Edda