| Noun | 1. | waterspout - a tornado passing over water and picking up a column of water and misttornado, twister - a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground | |
| 2. | waterspout - a heavy rainrain, rainfall - water falling in drops from vapor condensed in the atmosphere | |
| 3. | waterspout - a channel through which water is discharged (especially one used for drainage from the gutters of a roof)conduit - a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits" | |