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.

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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)

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Example Sentences

See Examples For:

Thunder Bay

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

Officials with the Thunder Bay National Marine Sanctuary reported they found the remains of the Ironton, a wooden cargo vessel that sank after colliding with another ship in September 1894.

From Washington Times ● Mar. 2, 2023

“The whole world is watching us now,” Mr. Bauder said in Thunder Bay, Ontario.

From New York Times ● Feb. 11, 2022

An emergency evacuation would take more than three hours for a plane to get in and out from Sioux Lookout or Thunder Bay, and that’s only if weather permits it to land.

From Seattle Times ● Jan. 2, 2022

The trip from Thunder Bay in Lake Superior to Norway House was performed in a birch bark canoe.

From By Canoe and Dog-Train by Young, Egerton Ryerson