killer whale

noun

: a relatively small toothed whale (Orcinus orca of the family Delphinidae) that is black above with white underparts and white oval-shaped patches behind the eyes, attains a length of 20 to 30 feet (6 to 9 meters), typically hunts in groups, and preys chiefly on sea mammals (such as seals, sea lions, and other whales), large fish, and squid

called also orca

Examples of killer whale in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pod of Bigg's killer whales visited Elliott Bay and were seemingly on a hunt underwater just off Seattle's maritime industrial docks. CBS News, 4 Mar. 2025 During a press conference, Brendon Clark, an officer with the Tasmanian Parks and Wildlife Service, said the animals are false killer whales, a species of dolphin generally found in deep off-shore waters. Natalie Neysa Alund, USA TODAY, 20 Feb. 2025 Tahlequah, the killer whale who carried her dead calf and swam with him for 17 days, has given birth to her second baby since 2018. Gil MacIas, People.com, 27 Dec. 2024 In the southern Gulf of California, a pod of killer whales surfaces in the glassy morning water. Alexa Robles-Gil, Smithsonian Magazine, 5 Dec. 2024 See All Example Sentences for killer whale

Word History

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of killer whale was in 1884

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Cite this Entry

“Killer whale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/killer%20whale. Accessed 24 Mar. 2025.

Kids Definition

killer whale

noun
kill·​er whale
ˈkil-ər-
: a flesh-eating mostly black toothed whale 20 to 30 feet (about 6 to 9 meters) long that travels in groups

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