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)