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Siphon :: Siphon (n.) The siphuncle of a cephalopod shell.

Siphoniata :: Siphoniata (n. pl.) Same as Siphonata.

Siphon :: Siphon (n.) The sucking proboscis of certain parasitic insects and crustaceans.

Velella :: Velella (n.) Any species of oceanic Siphonophora belonging to the genus Velella.

Gynophore :: Gynophore (n.) One of the branches bearing the female gonophores, in certain Siphonophora..

Siphonobranchiata :: Siphonobranchiata (n. pl.) A tribe of gastropods having the mantle border, on one or both sides, prolonged in the form of a spout through which water enters the gill cavity. The shell itself is not always siphonostomatous in this group..

Taster :: Taster (n.) One of a peculiar kind of zooids situated on the polyp-stem of certain Siphonophora. They somewhat resemble the feeding zooids, but are destitute of mouths. See Siphonophora..

Siphonopoda :: Siphonopoda (n. pl.) A division of Scaphopoda including those in which the foot terminates in a circular disk.

Siphon :: Siphon (n.) A sproutlike prolongation in front of the mouth of many gephyreans.

Siphon :: Siphon (v. t.) To convey, or draw off, by means of a siphon, as a liquid from one vessel to another at a lower level..

Siphonophoran :: Siphonophoran (a.) Belonging to the Siphonophora.

Physaliae :: Physaliae (n. pl.) An order of Siphonophora which includes Physalia.

Caoutchouc :: Caoutchouc (n.) A tenacious, elastic, gummy substance obtained from the milky sap of several plants of tropical South America (esp. the euphorbiaceous tree Siphonia elastica or Hevea caoutchouc), Asia, and Africa. Being impermeable to liquids and gases, and not readly affected by exposure to air, acids, and alkalies, it is used, especially when vulcanized, for many purposes in the arts and in manufactures. Also called India rubber (because it was first brought from India, and was formerly used c

Involucrum :: Involucrum (n.) A sheath which surrounds the base of the lasso cells in the Siphonophora.

Siphonostome :: Siphonostome (n.) A siphonostomatous shell.

Siphonobranchiate :: Siphonobranchiate (n.) One of the Siphonobranchiata.

Siphonia :: Siphonia (n.) A former name for a euphorbiaceous genus (Hevea) of South American trees, the principal source of caoutchouc..

Hydrozoa :: Hydrozoa (n. pl.) The Acalephae; one of the classes of coelenterates, including the Hydroidea, Discophora, and Siphonophora..

Siphonostomatous :: Siphonostomatous (a.) Having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon; -- said of certain gastropods.

Pneumonophora :: Pneumonophora (n. pl.) The division of Siphonophora which includes the Physalia and allied genera; -- called also Pneumatophorae.

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