Definition of


  1. (noun, group) a group of many things in the air or on the ground
    clouds of blossoms
    it discharged a cloud of spores
  2. (noun, object) a visible mass of water or ice particles suspended at a considerable altitude
  3. (noun, phenomenon) any collection of particles (e.g., smoke or dust) or gases that is visible
  4. (noun, state) out of touch with reality
  5. (noun, state) suspicion affecting your reputation
  6. (noun, state) a cause of worry or gloom or trouble
  7. (verb, change) make milky or dull
  8. (verb, change) colour with streaks or blotches of different shades
  9. (verb, change) make less clear
  10. (verb, contact) place under suspicion or cast doubt upon
  11. (verb, emotion) make gloomy or depressed
  12. (verb, motion) billow up in the form of a cloud
  13. (verb, perception) make less visible or unclear
    the big elm tree obscures our view of the valley
  14. (verb, weather) make overcast or cloudy

via WordNet, Princeton University

Origin of the word Cloud

  1. O.E. clud "mass of rock," from P.Gmc. *kludas, metaphoric extension 13c. based on similarity of cumulus clouds and rock masses. O.E. word for "cloud" was weolcan. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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