First Known Use: 1907
Dictionary
krill
noun \ˈkril\
: very small creatures in the ocean that are the main food of some whales
Full Definition of KRILL
: planktonic crustaceans and their larvae (order or suborder Euphausiacea and especially genus Euphausia) that constitute the principal food of baleen whales
See krill defined for English-language learners
See krill defined for kids
ADVERTISEMENT
Origin of KRILL
Norwegian kril fry of fish
KRILL Defined for Kids
krill
noun \ˈkril\
Definition of KRILL for Kids
: tiny floating sea animals that resemble shrimp and are a chief food source of some whales
Learn More About KRILL
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up krill? Please tell us where you read or heard it (including the quote, if possible).