/ Dictionary / Index K krill: Meaning and Definition of Find definitions for: krill Pronunciation: (kril), [key] — pl. krill. any of the small, pelagic, shrimplike crustaceans of the family Euphausiidae, eaten as food by certain whales. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: krill (Thesaurus) Kriemhild krimmer Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language