1. Aqueduct may refer to: == Structures == Aqueduct (bridge), a bridge to convey water over an obstacle, such as a ravine or valley Navigable aqueduct, or water bridge, a structure to carry navigable waterway canals over other rivers, valleys, railways or roads Aqueduct (water supply), a watercourse constructed to convey water Acequia, a community-operated watercourse used in Spain and former Spanish colonies in the Americas Aryk, an artificial channel for redirecting water in Central Asia and other countries Elan aqueduct carries water to Birmingham Levada, an irrigation channel or aqueduct specific to the Portuguese island of Madeira Puquios, underground water systems in Chile and Peru Roman aqueduct, water supply systems constructed during the Roman Empire Aqueduct of Segovia, a Roman aqueduct in Segovia, Spain == Anatomy == Cerebral aqueduct in the brain Vestibular aqueduct in the inner ear == Places == Aqueduct, former name of Monolith, California, U.S. Aqueduct, New York, U.S. Aqueduct... from wikipedia.org