Arcade1. (n.) A long, arched building or gallery.
2. (n.) An arched or covered passageway or avenue.
3. (n.) A series of arches with the columns or piers which support them, the spandrels above, and other necessary appurtenances; sometimes open, serving as an entrance or to give light; sometimes closed at the back (as in the cut) and forming a decorative feature.
Thesaurus Entries
access, aisle, alley, ambulatory, aperture, apse, arcature, arch, arched roof, archway, areaway, artery, atlas, avenue, breezeway, camber, caryatid, ceilinged roof, channel, cloister, colonnade, colonnette, column, communication, concameration, concha, conduit, connection, corridor, cove, covered way, cupola, defile, dome, exit, ferry, ford, gallery, geodesic dome, hall, hallway, igloo, inlet, interchange, intersection, junction, keystone, lane, loggia, ogive, opening, outlet, overpass, pass, passage, passageway, pergola, peristyle, pier, pilaster, pillar, portico, post, railroad tunnel, skewback, span, telamon, traject, trajet, tunnel, underpass, vault, vaulting, voussoir