A bent pipe or tube with one end lower than the other, in which hydrostatic pressure exerted due to the force of gravity moves liquid from one reservoir to another.
User Defined Definitions
"a tube running from the liquid in a vessel to a lower level outside the vessel so that gravity forces the liquid through the tube"
"convey, draw off, or empty by or as if by a siphon"
"move a liquid from one container into another by means of a siphon or a siphoning action"