• synonyms


noun Scandinavian Mythology.
  1. the rainbow bridge of the gods from Asgard to earth.
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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
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British Dictionary definitions for bifrost


  1. Norse myth the rainbow bridge of the gods from their realm Asgard to earth
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Word Origin

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