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Definition of krill
krill
/krɪl/
krill
Plural:krill
krill Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
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krill Game Scores & Validity
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Wordle Guess
• noun
1
A small, shrimp-like marine crustacean of the order Euphausiacea, found in all the world's oceans, that forms an essential part of the food web and is a primary food source for baleen whales, penguins, and other marine animals.
Example
"The blue whale consumes several tons of krill each day during the summer feeding season."
Synonyms
View all synonyms for krill• Rhymes for krill
Word Origin & Etymology
Borrowed from Norwegian 'krill', meaning 'small fry of fish', which is related to 'kríli', meaning 'tiny thing'.
Cite this Entry
Wordmom. (2026). Definition of Krill. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/krill