[1] : The Collaborative International Dictionary of English v.0.48

cloud-burst \cloud"-burst`\, n.
   a sudden copious rainfall, as if the whole cloud had been
   precipitated at once.
   1913 webster

[2] : WordNet (r) 2.0

cloudburst
     n : a heavy rain syn: downpour, deluge, waterspout, torrent,
          pelter, soaker
see also:
downpour deluge waterspout torrent pelter soaker 

[3] : Moby Thesaurus II by Grady Ward, 1.0

22 moby thesaurus words for "cloudburst":
   brash, burst of rain, deluge, downfall, downflow, downpour,
   drencher, flood, gushing rain, heavy rain, plash, pour, rainburst,
   rainspout, rainstorm, scud, soaker, soaking rain, spate, spout,
   torrent of rain, waterspout

Cloudburst >> C Words
Cloudburst, definition of term: Cloudburst
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