What do a.m. and p.m. stand for?


[spil-wey] /ˈspɪlˌweɪ/
a passageway through which surplus water escapes from a reservoir, lake, or the like.
Origin of spillway
1885-90; spill1 + way1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for spillway
  • During that period, the hydro power was turned down causing excess water to go over the spillway.
  • In the video, several people are cruising in a small motorboat below the spillway of a lock or a dam while fish fly all around.
  • Water that goes over a spillway as opposed to through a turbine picks up bubbles of nitrogen gas from the atmosphere.
  • The spillway is designed to provide a safe path for the excess flows.
  • Then, water from the spillway re-enters downstream of the dam.
British Dictionary definitions for spillway


a channel that carries away surplus water, as from a dam Also called wasteweir, spill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for spillway

1889, from spill + way.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for spillway

Some English speakers likely know this word

Word Value for spillway

Scrabble Words With Friends

Nearby words for spillway