A spring of water issuing from the earth.

An artificially produced jet or stream of water; also,
the structure or works in which such a jet or stream rises or flows; a
basin built and constantly supplied with pure water for drinking and
other useful purposes, or for ornament.

A reservoir or chamber to contain a liquid which can be
conducted or drawn off as needed for use; as, the ink fountain in a
printing press, etc.

The source from which anything proceeds, or from which
anything is supplied continuously; origin; source.