the rainbow bridge of the gods from Asgard, their home
, to Midgard, the earth
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Bifrost'ON bifrǫst, lit., the tremulous way: bif- < bifask, to tremble + rǫst, a distance