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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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See Examples For:

Over the weekend, Ford visited Thunder Bay, Ontario, and promised to "do and spend whatever it takes to protect people from these devastating wildfires".

From BBC Jul. 20, 2026

Loaded with wheat, the Arlington set off from what is now Thunder Bay, Ontario, on April 30, 1940, for Owen Sound, Ontario, with a 16-member crew.

From New York Times Feb. 12, 2024

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

Avalon, which plans to refine lithium in partnership with a unit of India's Essar Group in Thunder Bay, Ontario, said support from different levels of government was key.

From Reuters May 4, 2022

Sketch of Thunder Bay and the adjacent coasts of Lake Superior, 1802.

From The Makers of Canada: Index and Dictionary of Canadian History by Various

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