Krill
WordNet
noun
(1) Shrimp-like planktonic crustaceans; major source of food for e.g. baleen whales
WiktionaryText
Etymology
From word , applied to fish fry (in the sense of hatchlings); sometimes interpreted as "whale food".
Noun
- any of several small marine crustacean species of plankton in the order Euphausiacea in the class Malacostraca
- Note: Among the most important species are the Antarctic krill Euphausia superba, and the Northern krill Meganyctiphanes norvegica.