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Definition of "krill" []

  • The collection of small marine crustaceans of the order Euphausiacea that are the principal food of baleen whales. (noun)
  • Any small shrimplike marine crustacean of the order Euphausiacea: the principal food of whalebone whales (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Use "krill" in a sentence
  • "Their definition of forage fish includes fishes, squids, and the shrimp-like crustaceans called krill that swarm in cold waters where they feed everything from seabirds to whales."
  • "Krill oil is an oil extracted from shrimp-like crustaceans called krill."
  • "Antarctica was the antithesis of the jungle or the rain forest, where everything burgeoned and mutated and thousands of species and tens of thousands of * A krill is a small, shrimplike marine crustacean and a vital constituent of the Antarctic food chain."