Definition of: siphon

(sī′fən) noun
1. A tube having a bend used for transferring liquids from a higher to a lower level over an intervening elevation by making use of atmospheric pressure.
2. A siphon bottle.
3. Zool. A tubular structure in certain aquatic animals, as the squid, for drawing in or expelling liquids.
—v.t. To draw off by or cause to pass through or as through a siphon.
—v.i. To pass through a siphon. Also spelled syphon. [<F <L sipho, -onis <Gk. siphōn]
—si′phon·al adjective
SIPHON