wasteweir

wasteweir

(ˈweɪstˌwɪə) n (Civil Engineering) another name for spillway

Thesaurus

Noun	1.wasteweir - a channel that carries excess water over or around a dam or other obstructionspillway, spillconduit - a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits"