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Siphon :: Siphon (n.) The tubular organ through which water is ejected from the gill cavity of a cephaloid. It serves as a locomotive organ, by guiding and confining the jet of water. Called also siphuncle. See Illust. under Loligo, and Dibranchiata..

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

Physalia :: Physalia (n.) A genus of large oceanic Siphonophora which includes the Portuguese man-of-war.

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

Siphonifer :: Siphonifer (n.) Any cephalopod having a siphonate shell.

Siphon :: Siphon (n.) A siphon bottle.

Siphonophora :: Siphonophora (n. pl.) An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. See Illust. under Physallia, and Porpita..

Siphonostomata :: Siphonostomata (n. pl.) An artificial division of gastropods including those that have siphonostomatous shells.

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..

Pallet :: Pallet (n.) One of a pair of shelly plates that protect the siphon tubes of certain bivalves, as the Teredo. See Illust. of Teredo..

Siphonostomata :: Siphonostomata (n. pl.) A tribe of parasitic copepod Crustacea including a large number of species that are parasites of fishes, as the lerneans. They have a mouth adapted to suck blood..

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

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

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.

Asiphonea :: Asiphonea (n. pl.) Alt. of Asiphonid.

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

Siphonage :: Siphonage (n.) The action of a siphon.

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

Siphonium :: Siphonium (n.) A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible..

Siphoniferous :: Siphoniferous (a.) Siphon-bearing, as the shell of the nautilus and other cephalopods..

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