krill

noun
\ 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 While at sea, the murrelet primarily feeds on krill and forage fish, herring, smelt, anchovies and capelin, crucial elements of the nutrition needed to successfully raise its young. oregonlive, "Oregon seabird facing dual threats as forests burn and oceans warm, study says," 22 Sep. 2020 The Whale Safe oceanographic modeling uses sea temperatures and other data to predict where whales’ favorite food, tiny crustaceans known as krill, are likely to show up. Matt Simon, Wired, "Want to Save the Whales? Eavesdrop on Their Calls," 17 Sep. 2020 Excess carbon dioxide in the atmosphere has acidified the oceans, killing off many krill, the shrimplike crustacean that some whale species eat. Richard Schiffman, Washington Post, "The mysterious lives and enduring allure of whales," 4 Sep. 2020 Though scientists are still sussing out the factors killing the krill, warming waters and ocean acidification both likely play a role. Katherine J. Wu, Smithsonian Magazine, "Preliminary Census Documents Antarctica’s Chinstrap Penguins in Sharp Decline," 12 Feb. 2020 Whale mothers breastfeed their young with milk dyed pink by their diet of krill. Richard Schiffman, Washington Post, "The mysterious lives and enduring allure of whales," 4 Sep. 2020 During those two months, the salmon continued to roam the ocean and feeding on this year’s abundant riches, acres of krill and squid, and huge schools of juvenile anchovies. Tom Stienstra, SFChronicle.com, "‘Big and fat:’ COVID-delayed fishing season raises predictions of epic fall salmon run," 21 Aug. 2020 The anchovies have joined swarms of krill (and high numbers of squid), which have also attracted large numbers humpback whales to the coast. Tom Stienstra, SFChronicle.com, "‘Big and fat:’ COVID-delayed fishing season raises predictions of epic fall salmon run," 21 Aug. 2020 But a bigger body requires even more krill … and with each turn of the crank, the blue whale’s precarious life strategy becomes ever more tenuous. Eric M. Keen, Scientific American, "Why Are Blue Whales So Gigantic?," 31 July 2020

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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Time Traveler for krill

Time Traveler

The first known use of krill was in 1907

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Statistics for krill

Last Updated

1 Oct 2020

Cite this Entry

“Krill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/krill. Accessed 1 Oct. 2020.

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More Definitions for krill

krill

noun
How to pronounce krill (audio)

English Language Learners Definition of krill

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

krill

noun
\ 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

More from Merriam-Webster on krill

Britannica.com: Encyclopedia article about krill

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