subway /ˈsʌbˌweɪ/noun 6verb 1forms 3 noun6 •(US, Canada) a train system in a city whose tracks mostly run through tunnels below the streetsHe is going to Westminster by subway. •(US, Canada) A rapid transit system, regardless of the elevation of its right of way; a metro system. •(US, Canada) A train that runs on such an underground railway.Just before you leave, the subway comes. You get on. It stops at the next station. — 1981 •(UK) An underground walkway, tunnel for pedestrians (called pedestrian underpass in US).Heading beneath the tracks via the subway to the immediate north of the station takes us to the Didcot Railway Centre. — 2021 •An underground route for pipes, sewers, etc. •An underground route for creatures (e.g. bats). verb1 •(US, informal) To travel by underground railway.I suppose I could have subwayed around town in search of froufrou French pastry shops. — 2008 formssubwayed · subwaying · subways
