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.
Boaters in the eastern Mediterranean Sea recently happened upon a rare pod of false killer whales, video footage shows. Brendan Rascius, Miami Herald, 19 Mar. 2025 Aerial images show the pod of 157 false killer whales stranded on a remote beach in Tasmania. Carl Zhang, NBC News, 19 Feb. 2025 Puget Sound, had an healthy population of chum salmon this fall, which strengthens the argument that the recent salmon hat sighting was a goofy killer whale’s response to abundance of food. Scott Travers, Forbes, 25 Dec. 2024 Kelsey Williamson provided photos from the encounters, which are available on EurekAlert! CNN reported that the experts observed the killer whales strategically targeting young, still-growing whale sharks at feeding sites. Rachel Raposas, People.com, 13 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 30 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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