noun, plural krill.

  1. any of the small, pelagic, shrimplike crustaceans of the family Euphausiidae, eaten as food by certain whales.

noun plural krill

  1. any small shrimplike marine crustacean of the order Euphausiacea : the principal food of whalebone whales

1907, from Norwegian kril “small fry of fish.”

  1. Small crustaceans that float in the ocean in huge numbers and are one of the most important parts of zooplankton. Krill are the main food of baleen whales.
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