Definition of siphons:
(n) :
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.
(v) :
(transitive) To transfer (liquid) by means of a siphon.
(v) :
(transitive, figurative, often with "off") To steal or skim off something, such as money, in small amounts; to embezzle.
(v) :
(transitive, by extension) To transfer directly.
(n) :
A soda siphon.
(n) :
(botany, zoology) A tubelike organ found in animals or elongated cell found in plants.