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killer whale

American  

noun

  • killer whales
    plural
  1. any of several predatory dolphins, especially the black-and-white Orcinus orca, found in all seas.


killer whale British  

noun

  1. Also called: killer, grampus, orc. a predatory black-and-white toothed whale, Orcinus orca, with a large erect dorsal fin, most common in cold seas: family Delphinidae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of killer whale

First recorded in 1880–85


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Killer whales have previously been observed carrying deceased calves, including a case where a female Southern Resident killer whale carried her dead calf for at least 17 days.

From BBC ● Aug. 25, 2026

In total, twenty whales - one killer whale and 19 belugas whales - have died at Marineland since 2019, according to the Canadian Press.

From BBC ● Oct. 11, 2025

Only a small tissue sample is needed to analyze killer whale DNA to tell a big genetic story.

From Los Angeles Times ● Mar. 29, 2024

Tanned hides of elk and deer are stretched onto drums, for example, and animals like the killer whale are revered symbols of the hunt itself.

From Seattle Times ● Mar. 19, 2024

But when a killer whale catches and eats a baby seal, I immediately change it back to the Korean variety show.

From "Finding Junie Kim" by Ellen Oh

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