noun🔗ShareKrillAny of several small marine crustacean species of plankton in the order Euphausiacea in the class Malacostraca."Whales eat massive amounts of krill in the ocean. "Las ballenas comen cantidades masivas de krill en el océano.organismanimaloceanbiologyfoodenvironmentnaturefishChat with AIVocabulary GamePractice Reading