fresh-water polyp

1 definition found

fresh-water polyp - Collaborative International Dictionary of English v.0.48 :

  Polyp \Pol"yp\, n. [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.]
         [1913 Webster]
  
     Fresh-water polyp, the hydra.
  
     Polyp stem (Zool.), that portion of the stem of a
        siphonophore which bears the polypites, or feeding zooids.
        [1913 Webster]