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Definition of Orca
1. Noun. Predatory black-and-white toothed whale with large dorsal fin; common in cold seas.
Exact synonyms: Grampus, Killer, Killer Whale, Orcinus Orca, Sea Wolf
Generic synonyms: Dolphin
Group relationships: Genus Orcinus, Orcinus
Generic synonyms: Dolphin
Group relationships: Genus Orcinus, Orcinus
Definition of Orca
1. Noun. A sea mammal (scientific name: ''Orcinus orca'') related to dolphins and porpoises, commonly called the killer whale. ¹
¹ Source: wiktionary.com
Definition of Orca
1. orc [n -S] - See also: orc