A whirlwind, whirlpool, or similarly moving matter in the form of a spiral or column.
Anything that involves constant violent or chaotic activity around some centre.
Anything that inevitably draws surrounding things into its current.
A supposed collection of particles of very subtle matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or planet; part of a Cartesian theory accounting for the formation of the universe, and the movements of the bodies composing it.
Any of numerous species of small Turbellaria belonging to Vortex and allied genera.
To mix using a vortex mixer
A whirlwind that forms over water, not associated with a mesocyclone of a thunderstorm (contrary to a true tornado).
A plume of water rising from the surface of a body of water as the result of an impact or explosion.
A true tornado that passes over a body of water.
A channel through which water is discharged, especially from the gutters of a roof.