subway

• POS: Noun
• HYPHEN: sub=way

CIDE DICTIONARY

subway, n. 

•  An underground way or gallery; especially, a passage under a street, in which water mains, gas mains, telegraph wires, etc., are conducted.  [1913 Webster]
•  An underground railroad, usually having trains powered by electricity provided by an electric line running through the underground tunnel. It is usually confined to the center portion of cities; -- called also tube, and in Britain, underground. In certain other countries (as in France or Russia) it is called the metro.  [PJC]

OXFORD DICTIONARY

subway, n.
1 a a tunnel beneath a road etc. for pedestrians. b an underground passage for pipes, cables, etc.
2 esp. US an underground railway.

THESAURUS

subway

Amtrak, L, abri, antre, baggage train, branch, bunker, burrow, cable railroad, cable railway, cave, cavern, choo-choo, cog railroad, cog railway, cove, dugout, el, electric, electric railway, electric train, elevated, elevated railway, embankment, express, express train, feeder, feeder line, flier, foxhole, freight, freight train, freighter, funicular, goods train, gravity-operated railway, grot, grotto, hole, horse railway, interurban, junction, lair, light railroad, lightning express, limited, line, local, main line, metro, milk train, monorail, parliamentary, parliamentary train, passenger train, rack railway, rack-and-pinion railroad, rack-and-pinion railway, rail, rail line, railroad, railroad train, railway, rattler, roadbed, roadway, rolling stock, sewer, shuttle, shuttle train, sidetrack, siding, special, streamliner, street railway, streetcar line, subterrane, switchback, terminal, terminus, track, train, tram, tramline, trestle, trolley line, trunk, trunk line, tube, tunnel, turnout, underground, underpass, warren, way train

ROGET THESAURUS

subway

Journey

N journey, travel, traveling, wayfaring, campaigning, journey, excursion, expedition, tour, trip, grand tour, circuit, peregrination, discursion, ramble, pilgrimage, hajj, trek, course, ambulation, march, walk, promenade, constitutional, stroll, saunter, tramp, jog trot, turn, stalk, perambulation, noctambulation, noctambulism, somnambulism, outing, ride, drive, airing, jaunt, equitation, horsemanship, riding, manege, ride and tie, basophobia, roving, vagrancy, pererration, marching and countermarching, nomadism, vagabondism, vagabondage, hoboism, gadding, flit, flitting, migration, emigration, immigration, demigration, intermigration, wanderlust, plan, itinerary, guide, handbook, guidebook, road book, Baedeker, Bradshaw, Murray, map, road map, transportation guide, subway map, procession, cavalcade, caravan, file, cortege, column, vehicle, automobile, train, bus, airplane, plane, autobus, omnibus, subway, motorbike, dirt bike, off-road vehicle, van, minivan, motor scooter, trolley, locomotive, legs, feet, pegs, pins, trotters, traveler, depot, railway station, station, traveling, ambulatory, itinerant, peripatetic, roving, rambling, gadding, discursive, vagrant, migratory, monadic, circumforanean, circumforaneous, noctivagrant, mundivagrant, locomotive, wayfaring, wayworn, travel-stained, on foot, on horseback, on Shanks's mare, by the Marrowbone stage: in transitu, en route, Int, come along!.