Gjallar-horn: Meaning and Definition of

Gjal•lar-horn

Pronunciation: (yäl'lär-hôrn"), [key]
— n. Scand. Myth.
  1. Heimdall's horn, used to warn the gods of Ragnarok.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.