watershoot

noun4

1. •
   Something which serves to guard from falling water

   • The parapet of one is plain and solid, with a row of holes under it to let off the water, a general fashion in Ireland, sometimes with watershoots and sometimes not. — 1860
2. •
   A trough for discharging water.

   • […] a deal of rain having fallen, and all the troughs in the yard being flooded, and the bark from the wood-ricks washed down the gutters, and even our water-shoot going brown — 1869
3. •
   A sprig or shoot from the root or stock of a tree or other plant.
4. •
   Misspelling of water chute (“water slide”)