Bifrost, abatis, advanced work, balistraria, bank, banquette, barbed-wire entanglement, barbican, barricade, barrier, bartizan, bascule bridge, bastion, bateau bridge, battlement, breastwork, bridge, bulwark, cantilever bridge, casemate, catwalk, cheval-de-frise, circumvallation, contravallation, counterscarp, curtain, demibastion, dike, earthwork, enclosure, entanglement, escarp, escarpment, fence, fieldwork, floating bridge, flyover, footbridge, fortalice, fortification, gangboard, gangplank, gangway, glacis, lift bridge, loophole, lunette, machicolation, mantelet, merlon, mound, outwork, overbridge, overcrossing, overpass, palisade, parados, parapet, pontoon bridge, portcullis, postern gate, rampart, ravelin, redan, redoubt, rope bridge, sally port, scarp, sconce, span, stepping-stone, stepstone, stockade, suspension bridge, swing bridge, tenaille, toll bridge, vallation, vallum, viaduct, work
method, way, manner, wise, gait, form, mode, fashion, tone, guise, modus operandi, MO, procedure, path, road, route, course, line of way, line of road, trajectory, orbit, track, beat, tack, steps, stair, staircase, flight of stairs, ladder, stile, perron, bridge, footbridge, viaduct, pontoon, steppingstone, plank, gangway, drawbridge
, pass, ford, ferry, tunnel, pipe, door, gateway, channel, passage, avenue, means of access, approach, adit, artery, lane, loan, alley, aisle, lobby, corridor, back-door, back-stairs, secret passage, covert way, vennel, roadway, pathway, stairway, express, thoroughfare, highway, turnpike, freeway, royal road, coach road, broad highway, King's highway, Queen's highway, beaten track, beaten path, horse road, bridle road, bridle track, bridle path, walk, trottoir, footpath, pavement, flags, sidewalk, crossroad, byroad, bypath, byway, cut, short cut carrefour, private road, occupation road, highways and byways, railroad, railway, tram road, tramway, towpath, causeway, canal, street, speedway, adv, how, in what way, in what manner, by what mode, so, in this way, after this fashion, one way or another, anyhow, somehow or other, by way of, via, in transitu, on the high road to, hae tibi erunt artes.
escape, scape, avolation, elopement, flight, evasion, retreat, narrow escape, hairbreadth escape, close call, come off, impunity, loophole, path, refuse, vent, vent peg, safety valve, drawbridge
, fire escape, reprieve, liberation, refugee, escaping, escaped, stolen away, fled, the bird has flown the coop.