Polyp definition

pŏlĭp
Frequency:
A smooth projecting growth of hypertrophied mucous membrane in the nasal passages, bladder, rectum, etc.
noun
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A body form of a cnidarian, such as a hydra or coral, that is cylindrical in shape, has a mouth usually surrounded by tentacles at one end, and is often attached to something at the other end.
noun
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Any of various cnidarians, colonial or individual, having a mouth fringed with many small, slender tentacles bearing stinging cells at the top of a tubelike body, as the sea anemone or hydra.
noun
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A usually nonmalignant growth or tumor protruding from the mucous lining of an organ such as the nose, bladder, or intestine, sometimes causing obstruction.
noun
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A cnidarian in its sedentary stage. Polyps have hollow, tube-shaped bodies with a central mouth on top surrounded by tentacles. Some cnidarians, such as corals and sea anemones, only exist as polyps after their larval stage, while others turn into medusas as adults or lack a polyp stage completely.
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An abnormal growth extending from a mucous membrane, as of the intestine.
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(medicine) An abnormal growth protruding from a mucous membrane.
noun
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(biology) A cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles.
noun
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A usually nonmalignant growth or tumor protruding from the mucous lining of an organ such as the nose, bladder, or intestine, sometimes causing obstruction.
noun
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Other Word Forms

Noun

Singular:
polyp
Plural:
polyps

Origin of polyp

  • Middle English polip nasal tumor from Old French polipe from Latin pōlypus cuttlefish, nasal tumor from Greek polupous, poulupous polu- poly- pous foot ped- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin polypus (“a polyp, a polypus in the nose"), from Ancient Greek πολύπους (polupous), from πολύς (polus, “many") + πούς (pous, “foot").

    From Wiktionary