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Thunder Bay

American  

noun

  1. a port in W Ontario, in S Canada, on Lake Superior: created in 1970 by the merger of twin cities Fort William and Port Arthur and two adjoining townships.


Thunder Bay British  

noun

  1. a port in central Canada, in Ontario on Lake Superior: formed in 1970 by the amalgamation of Fort William and Port Arthur; the head of the St Lawrence Seaway for Canada. Pop: 103 215 (2001)

"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

Example Sentences

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The jingle-dress on view was created by Shannon Gustafson, an Ojibwe artist in Thunder Bay, Ontario.

From The Wall Street Journal ● Aug. 15, 2026

He worked in a call centre in Rotherham and thought about joining the army before being given an opportunity to resume his career at Thunder Bay Chill in Ontario.

From BBC ● Aug. 7, 2026

Other stranded ships included five at the major grain port of Thunder Bay, Ontario, on Lake Superior and two docked on the Detroit River between Lakes Huron and Erie.

From Seattle Times ● Oct. 26, 2023

The Thunder Bay, Ontario, native who won the Cup with Pittsburgh in 2009 has been with Carolina for a decade and worn the “C” for the organization since 2019.

From Washington Times ● Jun. 25, 2023

To the northeast, the valley of the Au Sauble, and the pine region of Thunder Bay.

From Old Mackinaw The Fortress of the Lakes and its Surroundings by W. P. (William Peter) Strickland

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