headwaters

[ hed-waw-terz, -wot-erz ]
/ ˈhɛdˌwɔ tərz, -ˌwɒt ərz /

plural noun

Sometimes headwater. the upper tributaries of a river.

Origin of headwaters

1525–35; head + waters, plural of water
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for headwaters

British Dictionary definitions for headwaters

headwaters
/ (ˈhɛdˌwɔːtəz) /

pl n

the tributary streams of a river in the area in which it rises; headstreams
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