polyp defined in 1951 yearpolyp - polyp (hydranth);
polyp - Sedentary form of coelenterate, e.g. Hydra, sea-anemone. Cylindrical trunk, fixed at one end; mouth at other end, surrounded by ring of tentacles. Many polyps reproduce themselves by budding, and may form colonies. Some reproduce sexually, fertilized eggs giving rise to new polyps (Hydray sea-anemone). Others do not produce sexually, but produce medusae by budding and these reproduce sexually, their fertilized eggs giving rise to new polyps (e.g. hydroids; jelly-fish).
near polyp in Knolik
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