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Definition of "legion" []

  • The major unit of the Roman army consisting of 3,000 to 6,000 infantry troops and 100 to 200 cavalry troops. (noun)
  • A large military unit trained for combat; an army. (noun)
  • A large number; a multitude. See Synonyms at multitude. (noun)
  • A national organization of former members of the armed forces. (noun)
  • Constituting a large number; multitudinous: Her admirers were legion. His mistakes were legion. (adjective)

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.

Use "legion" in a sentence
  • "It sounded suspiciously similar to the phrase legion of demons that his superiors in the IDF often used to refer to the secret fail-safe he had buried beneath the Temple Mount in Jerusalem."
  • "Military powers; a legion is a number of soldiers in arms."
  • "Instead, your stupid legion is making American Idol suck."