cloudburst n 1: a heavy rain [syn: {downpour}, {cloudburst}, {deluge}, {waterspout}, {torrent}, {pelter}, {soaker}]
Cloud-burst \Cloud"-burst`\, n. A sudden copious rainfall, as if the whole cloud had been precipitated at once. [1913 Webster]
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