noun Scandinavian Mythology.

the rainbow bridge of the gods from Asgard to earth.

Origin of Bifrost

< Old Norse Bifrǫst, equivalent to bif- (root of bifa, cognate with Old English bifian to shake) + rǫst, cognate with Old High German rasta stretch of road Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bifrost



Norse myth the rainbow bridge of the gods from their realm Asgard to earth

Word Origin for Bifrost

from Icelandic, from bifa to shake + rost path
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012