noun
the southern extension of Hudson Bay in Canada between western Quebec and northeastern Ontario
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the S arm of Hudson Bay, in E Canada between Ontario and Quebec provinces. 300 mi. (483 km) long; 160 mi. (258 km) wide.
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a shallow southern arm of Hudson Bay, between Quebec and Ontario provinces in Canada
Origin:
named after Captain Thomas James (c.1593 - c.1635), who explored the region in 1631
Useful english dictionary. 2012.