polyp

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Polyp \Pol"yp\, noun [L. polypus, Gr. ?, ?, literally, many-footed; poly's many + ?, ?, foot: cf. F. polype. See {Poly-} and {Foot}, and cf. {Polypode}, {Polypody}, {Poulp}.] (Zool.) (a) One of the feeding or nutritive zooids of a hydroid or coral. (b) One of the Anthozoa. (c) pl. Same as {Anthozoa}. See {Anthozoa}, {Madreporaria}, {Hydroid}. [Written also {polype}.]

{Fresh-water polyp}, the hydra.

{Polyp stem} (Zool.), that portion of the stem of a siphonophore which bears the polypites, or feeding zooids.

From WordNet (r) 3.0 (2006) [wn]:

polyp

noun

1: a small vascular growth on the surface of a mucous membrane [syn: {polyp}, {polypus}]

2: one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth; "in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase"


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Sunday, March 29, 2015 6:06:35 AM Coordinated Universal Time (UTC)

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