Definition of "waterspout" in English

noun

1. A whirlwind that forms over water, not associated with a mesocyclone of a thunderstorm (contrary to a true tornado).

2. A true tornado that passes over a body of water.

3. A plume of water rising from the surface of a body of water as the result of an explosion or impact.

4. A channel through which water is discharged, especially from the gutters of a roof.