from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A coelenterate, such as a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.
  • n. A usually nonmalignant growth or tumor protruding from the mucous lining of an organ such as the nose, bladder, or intestine, often causing obstruction.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. an abnormal growth protruding from a mucous membrane
  • n. a cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the feeding or nutritive zooids of a hydroid or coral.
  • n. One of the Anthozoa.
  • n. Same as anthozoa. See anthozoa, madreporaria, hydroid.

from The Century Dictionary and Cyclopedia

  • n. In zoology, an animal with many feet or foot-like processes,
  • n. In pathology, same as polypus, 2.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a small vascular growth on the surface of a mucous membrane
  • n. 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


Middle English polip, nasal tumor, from Old French polipe, from Latin pōlypus, cuttlefish, nasal tumor, from Greek polupous, poulupous : polu-, poly- + pous, foot; see ped- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin polypus ("a polyp, a polypus in the nose"), from Ancient Greek πολύπους (polupous), from πολύς (polus, "many") + πούς (pous, "foot"). (Wiktionary)



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