the world > the earth > water > body of water > channel of water > [noun] > navigable waterway > waterway beneath bridge (3)
An arch between the piers of a bridge which allows the passage of water. Now historical or archaic.
The width of (esp. navigable) water under a bridge. Obsolete.
(a) a way, path, or road formed by a bridge; the road or passage running over a bridge; (b) a waterway, such as a river, canal, etc., that passes…