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Definition of "coo" [coo]

  • To utter the murmuring sound of a dove or pigeon or a sound resembling it. (verb-intransitive)
  • To talk fondly or amorously in murmurs: The visitors cooed over the newborn baby. (verb-intransitive)
  • To express or utter with soft murmuring sounds. (verb-transitive)

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 "coo" in a sentence
  • "I don't b'Iieve he's anywhere within coo-ee of our place."
  • "An interpretation might go like this: The a coo akab (mad one of the night, i.e. the screech owl) above the 13th heaven is perched upon the shoulders of Colel (another name for Ixchel)."
  • "Carl Kay, of Tokyo, wrote, “When a long-sullen baby suddenly expresses contentment in response to the exaggerated gestures of an adult, it is called a coo de théâtre.”"