Definition of 'siphon'
- a tube running from the liquid in a vessel to a lower level outside the vessel so that atmospheric pressure forces the liquid through the tube
- a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
- convey, draw off, or empty by or as if by a siphon
Synonyms: syphon siphon off
- move a liquid from one container into another by means of a siphon or a siphoning action; "siphon gas into the tank"