gadgetbahn UK /ˈɡædʒɪtbɑːn/US /ˈɡæd͡ʒətˌbɑn/ noun1 •(slang, disapproving) A public transportation scheme based on modern technology which seems to be infeasible or unnecessary.In transit communities, projects that sound complicated and unnecessary go by the German epithet "gadgetbahn." If early gondolas are successful, advocates hope gondolas can shake this label. — 2016 formsgadgetbahnen · gadgetbahns