waterway

[ waw-ter-wey, wot-er- ]
/ ˈwɔ tərˌweɪ, ˈwɒt ər- /

noun

a river, canal, or other body of water serving as a route or way of travel or transport.
Shipbuilding. (in a steel or iron vessel) a depressed gutter at the edge of the deck inside the bulwarks, used especially when the decking is wooden.
a channel for vessels, as a fairway in a harbor.

Origin of waterway

before 950; Middle English; Old English wæterweg. See water, way1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for waterway

waterway
/ (ˈwɔːtəˌweɪ) /

noun

a river, canal, or other navigable channel used as a means of travel or transport
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