walk-up /ˈwɔkʌp/noun 8adjective 3forms 1 noun8 •(US) An apartment or block with stairs rather than an elevator.I became the tenant of a walk-up on East Tenth Street, on the north side of Tompkins Square, found for me by the seemingly omni-connected Ian McEwan […] — 2010 •An indoor or outdoor stand where food is sold to the public.Soba is […] making appearances everywhere from street food walk-ups to fine dining restaurants. — 2021 •A place where one can approach by walking, as a walk-in.There is a walk-up window at the post office. •A customer who arrives without a reservation; a walk-in.The first hour is for walk-ups only, with one foursome per hour reserved for walk-ups as well. — 2015 •A mountain that can be climbed without specialist equipment.Western mountains are easy walk-ups. Eastern mountains are hard crawl-ups, but no oxygen problems. — 2009 •A sequence of notes that raises in pitch stepwise, connecting two or more chords. •An informal visit to a control tower by a pilot, typically used as part of pilot training.Pilot walk-ups welcomed for real-time satellite and radar weather imaging information. — 1993 •Colaptes auratus, northern flicker. adjective3 •Reached by stairs rather than an elevator. •Containing such flats. •For which no appointment is necessary. formswalk-ups
