1. (

• siphon ,
• syphon

) 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 ;

2. (

• siphon ,
• syphon

) a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled ;

1. (

• siphon ,
• syphon ,
• siphon_off

) convey, draw off, or empty by or as if by a siphon ;