: 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
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Both rapid climate changes in the region, as well as a pattern of overfishing, have seen krill numbers trend downward.
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New Atlas, 28 July 2025
The research is still new on krill oil, Rizik noted.
—Deirdre Bardolf, FOXNews.com, 10 July 2025
Blue whales — the planet’s largest animal — subsist on tiny crustaceans called krill.
—Bloomberg, The Mercury News, 18 Mar. 2025
Marine heatwaves also occurred in 2018 and 2019 during the summer months, when whales fatten up on krill to prepare for the rest of the year, according to NOAA.
—Michelle Del Rey, USA Today, 11 Aug. 2025
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New Atlas, 28 July 2025
The research is still new on krill oil, Rizik noted.
—Deirdre Bardolf, FOXNews.com, 10 July 2025
Blue whales — the planet’s largest animal — subsist on tiny crustaceans called krill.
—Bloomberg, The Mercury News, 18 Mar. 2025
Marine heatwaves also occurred in 2018 and 2019 during the summer months, when whales fatten up on krill to prepare for the rest of the year, according to NOAA.
—Michelle Del Rey, USA Today, 11 Aug. 2025
See All Example Sentences for krill
Cite this Entry
“Krill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/krill. Accessed 4 Sep. 2025.
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krill
noun
: small crustaceans and their larvae that make up plankton and form a major food of baleen whales
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