cyclone
1. [ noun ] (meteorology) rapid inward circulation of air masses about a low-pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern
Related terms: anticyclone atmosphere low meteorology
2. [ noun ] (meteorology) a violent rotating windstorm
Related terms: windstorm hurricane tornado typhoon
Similar spelling:   cyclonic
  cyclonal
  cycle_on
  cyclonical
  cycling
  cyclamen