an island in the northeast US, in NW Lake Superior: forms, with over 100 surrounding islands, Isle Royale National Park. Area: 541 sq km (209 sq miles)
WordReference Random House Unabridged Dictionary of American English © 2025
Isle′ Roy′ale
(roi′əl),USA pronunciation
- Place Namesan island in Lake Superior: a part of Michigan;
a national park. 208 sq. mi. (540 sq. km).
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