waterspout

nouns

a tornado passing over water and picking up a column of water and mist
waterspout
is a type of (narrower)
a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground
tornado, twister
a heavy rain
cloudburst, deluge, downpour, pelter, soaker, torrent, waterspout
a channel through which water is discharged (especially one used for drainage from the gutters of a roof)
waterspout
is a type of (narrower)
a passage (a pipe or tunnel) through which water or electric wires can pass
"the computers were connected through a system of conduits"
conduit