Culvert
Pronunciation : Cul"vert (kl"vrt)
Part of Speech : n.
Etymology : [Prob. from OF. coulouere, F. couloir, channel, gutter, gallery, fr. couler to flow. See Cullis.]
Definition : Defn: A transverse drain or waterway of masonry under a road, railroad, canal, etc.; a small bridge.
Source : Webster's Unabridged Dictionary, 1913