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| sei whale [ sáy hwàyl ] (plural sei whales) |
noun |
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| Definition: |
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dark gray whale found in all seas: a dark bluish gray whale similar to the blue whale but smaller and more streamlined. It lives in all but the polar oceans and belongs to the rorqual family of whales. Latin name Balaenoptera borealis.
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| [Early 20th century. < Norwegian sejhval< sei "coalfish" + hval "whale"] |
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