noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A weir that allows the escape of excess water from a canal or reservoir
2. 2
   a channel that carries excess water over or around a dam or other obstruction wordnet

Synonyms

All synonyms

spillspillwayspillway

Etymology

From waste + weir.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.