A global map showing Hudson Bay.
inland sea in NE Canada; arm of the Atlantic: c. 475,000 sq mi (1,230,245 sq km)
Origin of Hudson Bayafter Henry Hudson
An inland sea of east-central Canada. It is connected to the Atlantic Ocean by the Hudson Strait, which runs between southern Baffin Island and northern Quebec.
- An inland sea in northeastern Canada.
From Henry Hudson, English sea explorer