cyclone
Pronunciation:
/ˈsaɪ.kləʊn//ˈsaɪ.kloʊn/noun
Definitions
(broad sense) A weather phenomenon consisting of a system of winds rotating around a center of low atmospheric pressure
(narrow sense) Such weather phenomenon occurring in the South Pacific and Indian Ocean
A low pressure system.
The more or less violent, small-scale circulations such as tornadoes, waterspouts, and dust devils.