What is the meaning of Cyclone?

(broad sense) A weather phenomenon consisting of a system of winds rotating around a centre of low atmospheric pressure.

(narrow sense) Such a 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.

A strong wind.

A cyclone separator; the cylindrical vortex tube within such a separator

To separate using a cyclone separator.

To storm as a cyclone.

To whirl in spirals as a result of a cyclone or whirlwind-like force.

To storm wildly; to be in a frenzy.

cyclone (rotating system of winds)

Source: wiktionary.org