/ Dictionary / Index A autobahn: Meaning and Definition of Find definitions for: au•to•bahn Pronunciation: (ô'tu-bän" Ger. ou'tô-bän"), [key] — pl. -bahns, -bahn•en (in Germany and Austria) a superhighway; expressway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: autobahn (Thesaurus) autoantigen autobio Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language