Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spillway

1 sense of spillway

Sense 1
spillway, spill, wasteweir -- (a channel that carries excess water over or around a dam or other obstruction)
       => conduit -- (a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits")