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Related to Grand Coulee: Grand Coulee Dam
A gorge, about 65 km (40 mi) long, of north-central Washington, carved by the Columbia River. It is fed by water from the Grand Coulee Dam (built 1933-1942).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Placename) a canyon in central Washington State, over 120 m (400 ft) deep, at the N end of which is situated the Grand Coulee Dam, on the Columbia River. Height of dam: 168 m (550 ft). Length of dam: 1310 m (4300 ft)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Grand′ Cou′lee(ˈku li)
1. a dry canyon in central Washington: cut by the Columbia River in the glacial period. 52 mi. (84 km) long; over 400 ft. (120 m) deep.
2. a dam on the Columbia River at the N end of this canyon. 550 ft. (168 m) high.
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