- 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.
Also called Lakehead.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for port arthur
Since the outbreak of hostilities, however, she has been transformed into a hospital ship at Port-Arthur.Through Siberia and Manchuria By Rail
Oliver George Ready
- a former penal settlement (1833–70) in Australia, on the S coast of the Tasman Peninsula, Tasmania
- the former name of Lüshun
- 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)