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Manitoulin

[man-i-too-lin]
noun
  1. an island in N Lake Huron belonging to Canada. 80 miles (130 km) long.
Also called Manitoulin Island.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for manitoulin island

Manitoulin Island

noun
  1. an island in N Lake Huron in Ontario: the largest freshwater island in the world. Length: 129 km (80 miles). Width: up to 48 km (30 miles)
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