killer whale

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killer whale Toothed marine mammal of the dolphin family that lives in all the world's oceans, especially colder regions. A fierce predator, it is black above and white below, with a white patch above each eye and a long, erect, dorsal fin. Length: 9m (30ft). Species: Orcinus orca.

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killer whale

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kill·er whale • n. another term for orca.

killer whale

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killer whale (Orcinus orca) See DELPHINIDAE.