• a tube used to convey liquid upwards from a reservoir and then down to a lower level of its own accord. Once the liquid has been forced into the tube, typically by suction or immersion, flow continues unaided

Synonyms: tube, conduit, hose, main, duct, line, channel, canal, conveyor, pipeline, drain, tubing, piping, siphon, cylinder

• draw off or convey (liquid) by means of a siphon

Synonyms: convey, channel, siphon, run, feed, lead, bring