\ 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

With less upwelling, the algae blooms that normally feed other prey species like krill and plankton were lacking, which in turn affects the food web. Will Houston, The Mercury News, "Poor Farallon Islands bird breeding season prompts alarm," 2 Sep. 2019 Although their biological samples were low overall, scientists did find creatures, including small crustaceans called copapods, as well as euphausiids, or krill, a shrimp-like crustacean. San Diego Union-Tribune, "Research cruise off California finds life lacking in parts of the ocean," 5 Aug. 2019 The mysterious blob persisted for six years, raising sea surface temperatures in some places by more than three degrees Celsius and killing off populations of krill and other animals that round out the humpback diet. Tim Vernimmen, National Geographic, "Mysterious ocean ‘blob’ may have led to fewer baby whales," 19 Mar. 2019 Here are all the details Fast facts about lobsters Lobsters are considered marine crustaceans along with shrimp, krill and barnacles. Joanne Kempinger Demski, Milwaukee Journal Sentinel, "Lobster Fest indulges shellfish lovers for 3 days, while local restaurants feed the craving all year," 7 Aug. 2019 Minke and fin whales have short, coarse baleen, which is ideal for eating large fish and krill. Christian Åslund, National Geographic, "Melting ice may be a boon for some Arctic whales—then a bust," 2 July 2019 The facility uses krill to make fish oil, and authorities said the leak posed no danger to the public, OnScene TV reported. Julian Gill, Houston Chronicle, "Chemical leak reported at a manufacturing facility in NW Houston," 18 June 2019 Alaska Anchorage: Residents of two northwest Alaska villages say large numbers of dead mussels and krill have washed up on their shores. USA TODAY, "Ink library, parking barnacles, lunar training grounds: News from around our 50 states," 9 July 2019 That ability to consume innings like a whale swallowing krill is perhaps Keuchel’s greatest and most appealing strength. Jon Tayler,, "Race Against the Clock: Did the Braves Wait Too Long to Sign Dallas Keuchel?," 6 June 2019

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.

See More

First Known Use of krill

1907, in the meaning defined above

History and Etymology for krill

Norwegian kril fry of fish

Keep scrolling for more

Learn More about krill

Dictionary Entries near krill








Statistics for krill

Last Updated

8 Sep 2019

Look-up Popularity

Time Traveler for krill

The first known use of krill was in 1907

See more words from the same year

Keep scrolling for more

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

More from Merriam-Webster on krill

Rhyming Dictionary: Words that rhyme with krill Encyclopedia article about krill

Comments on krill

What made you want to look up krill? Please tell us where you read or heard it (including the quote, if possible).


to make a temporary encampment

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!