autobahn /ˈaʊ̯toˌbɑːn/ noun2 •The high-speed intercity highways of Germany and Austria.On a recent afternoon a work crew and crane were affixing the tall lettering to the side of the team’s new stadium, just off the autobahn in Sinsheim, a few miles from Hoffenheim. — 2009 •Any wide, high-speed road.These ant autobahns function much the same as human highways to speed transport of goods and to reduce bumps and potholes in the path. — 2016 formsautobahnen · autobahns