noun
A spring or headwater.
An area of high elevation, viewed as the catchment basin for a region.
A reservoir or natural source of water that is put to use.
A portion of a device or system where water is stored before it is used, such as a header tank.
The amount of water or water pressure provided by a waterhead (reservoir or portion of a device that stores water).
A showerhead.
The place where water enters or exits a device or system
A water main
A burst of water.
(uncountable) Hydrocephalus
The enlarged head of a person or animal with hydrocephalus.
A hydrocephalic person or animal
A stupid and/or ugly person.
verb
To behave in an imbecilic manner.