Definition of "orca"
noun:
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A sea mammal (scientific name: Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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A sea mammal (scientific name: Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.
from Wiktionary, Creative Commons Attribution/Share-Alike License