viaduct

from WordNet (r) 3.0 (2006)
viaduct
    n 1: bridge consisting of a series of arches supported by piers
         used to carry a road (or railroad) over a valley
from The Collaborative International Dictionary of English v.0.48
Viaduct \Vi`a*duct\, n. [L. via a way + -duct, as in aqueduct:
   cf. F. viaduc. See {Via}, and {Aqueduct}.]
   A structure of considerable magnitude, usually with arches or
   supported on trestles, for carrying a road, as a railroad,
   high above the ground or water; a bridge; especially, one for
   crossing a valley or a gorge. Cf. {Trestlework}.
   [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
39 Moby Thesaurus words for "viaduct":
      Bifrost, bascule bridge, bateau bridge, bridge, cantilever bridge,
      carrefour, catwalk, cloverleaf, crossing, crosspoint, crossroad,
      crosswalk, crossway, drawbridge, floating bridge, flyover,
      footbridge, gangboard, gangplank, gangway, grade crossing,
      intercrossing, intersection, level crossing, lift bridge,
      overbridge, overcrossing, overpass, pontoon bridge, rope bridge,
      rotary, span, stepping-stone, stepstone, suspension bridge,
      swing bridge, toll bridge, traffic circle, undercrossing
antiflux / dictionary / viaduct
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