Strait of Georgia

The Strait of Georgia (also known as Georgia Strait and the Gulf of Georgia) is a 240 km (150 mi)-long strait between Vancouver Island (as well as its nearby Gulf Islands) and the mainland Pacific coast of British Columbia, Canada. The southern end of the strait is the intersection of Puget Sound and the Strait of Juan de Fuca, while the northern end is Johnstone Strait.
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Noun
1. the strait separating Vancouver Island from the Canadian mainland
(hypernym) strait, sound