polyp
1. [ noun ] (medicine,pathology) a small vascular growth on the surface of a mucous membrane
Synonyms: polypus
Related terms: growth sessile_polyp adenomatous_polyp pedunculated_polyp peduncle
2. [ noun ] (zoology) one of two forms that coelenterates take e.g. a hydra or coral: usually sedentary and has a hollow cylindrical body usually with a ring of tentacles around the mouth
Related terms: coelenterate Cnidaria