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also sy·phon (sī′fən)
1. A tube that carries a liquid from a higher level up and over a barrier and then down to a lower level, with the flow maintained by gravity and atmospheric pressure as long as the tube remains filled.
2. Zoology A tubular organ, especially of aquatic invertebrates such as squids or clams, by which water is taken in or expelled.
v. si·phoned, si·phon·ing, si·phons also sy·phoned or sy·phon·ing or sy·phons
1. To draw off or convey (a liquid) through a siphon.
2. To take or transfer (something), often illicitly: siphon money from an account; siphon customers from a competitor.
To pass through a siphon.

[Middle English, from Latin sīphō, sīphōn-, from Greek sīphōn.]

si′phon·al, si·phon′ic adj.
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References in periodicals archive ?
Siphonal canal short and broad, approximately half of aperture width, left edge truncate, right edge wanting, as continuation of outer lip; left edge marked by two strong spiral folds, superior fold smooth, with sharp edge, inferior fold broad, with several arched, strong growth scales (Fig.
dark basic colony color, bright yellow around siphonal area 13.
The proboscis slips out the siphonal canal, unrolling, the barbed teeth spring forward.
Total SL (in centimeters converted to millimeters) for individuals was measured between the anterior end of the siphonal canal and the posterior end of the spire using large Vernier calipers (SL range, 170-255 mm), whereas LT (in millimeters) was measured along the flared outer lip of the posterior half of the aperture using small Vernier calipers (LT range, 2-42 mm).