Definition of "orcas" []

• Plural form of orca. (noun)

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• "The orcas were their best defense-assuming they would actually interfere with an assault by their larger cousins."
• "Although killer whales - otherwise known as orcas - had already been recorded hunting in this way, Dr Pitman said that "to see footage of it in action like that is totally unprecedented"."
• "The whales, also known as orcas, swam about 30 miles up the Nushagak River to a spot just downriver from the village of Ekwok."