\ ˈkril How to pronounce krill (audio) \

Definition of krill

: planktonic crustaceans and their larvae (order or suborder Euphausiacea and especially genus Euphausia) that constitute the principal food of baleen whales

Examples of krill in a Sentence

Recent Examples on the Web The plankton then draws in the krill, anchovies, squid and other baitfish, which in turn draw the whales. Tom Stienstra, San Francisco Chronicle, 20 Aug. 2021 The 100-foot-long whale dived and circled in the murky, dark waters of the Santa Barbara Channel, looking for a cloud of krill to scoop and catch inside her 20-foot-long jaws. Susanne Rust Staff Writer, Los Angeles Times, 5 Aug. 2021 The emperor penguins are a vital part of the Antarctic food chain, preying on krill, squid, and small fish and providing a source of food for leopard seals and killer whales., 4 Aug. 2021 When whales, usually baleen whales, feed by lunging with open mouths through dense concentrations of fish or krill. Los Angeles Times, 5 Aug. 2021 On Gough Island—a lonely rock in the middle of the South Atlantic—researchers have recently discovered southern giant petrels, which usually feed on fish, krill, and young birds, hunting and killing massive adult albatrosses. Jake Buehler, Smithsonian Magazine, 13 July 2021 The fish generally linger in tropical and temperate waters, aquarium staff added, and eat krill and squid. Kate Hogan,, 16 July 2021 Alaska is already feeling the effects of climate change, as the warming oceans have wreaked havoc on ecosystems of krill, wild kelp forests, salmon and birds. Shelby Vittek, Smithsonian Magazine, 1 July 2021 Packard, who had an oxygen tank on him, said the massive creature likely ran into him by accident while searching for krill, and that he was trapped in complete darkness for about 30-40 seconds. Rachel Desantis,, 14 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'krill.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of krill

1907, in the meaning defined above

History and Etymology for krill

Norwegian kril fry of fish

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Last Updated

20 Sep 2021

Cite this Entry

“Krill.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2021.

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More Definitions for krill



English Language Learners Definition of krill

: very small creatures in the ocean that are the main food of some whales


\ ˈkril How to pronounce krill (audio) \

Kids Definition of krill

: tiny floating sea animals that resemble shrimp and are a chief food source of some whales

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