polyp

noun

pol·​yp ˈpä-ləp How to pronounce polyp (audio)
1
: the sessile form of cnidarian (such as a coral or sea anemone) typically having a hollow cylindrical body closed and attached at one end and opening at the other by a central mouth surrounded by tentacles armed with nematocysts
2
: a growth projecting from a mucous membrane (as of the colon or vocal cords)
polypoid adjective

Examples of polyp in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But some people, Dr. Schon says, may also experience heavy bleeding with polyps. 3. Ashley Abramson, SELF, 7 May 2025 Eating a 1 cup serving more than once a week shows the most benefit in reducing certain types of polyps and colon cancer.12 Decreasing the risk of diabetes: One study shows a reduced risk of type 2 diabetes in adults who ate yogurt. Amber J. Tresca, Verywell Health, 6 May 2025 Rosenberg also used high-dimensional spatial imaging technology that allowed UConn researchers to develop a detailed view of cellular interactions present inside colon polyps that were removed during colonoscopy at the end of the walnut study. Pamela McLoughlin, Hartford Courant, 30 Apr. 2025 Trump, 78, last summer had a colonoscopy and removal of a benign polyp, and at an unspecified date had cataracts removed. Alexis Simendinger, The Hill, 14 Apr. 2025 See All Example Sentences for polyp

Word History

Etymology

French polype octopus, nasal polyp, from Old French polipe, from Latin polypus, from Greek polypous, from poly- + pous foot — more at foot

First Known Use

1742, in the meaning defined at sense 1

Time Traveler
The first known use of polyp was in 1742

Cite this Entry

“Polyp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyp. Accessed 19 May. 2025.

Kids Definition

polyp

noun
pol·​yp ˈpäl-əp How to pronounce polyp (audio)
: an invertebrate animal (as a sea anemone or a coral) that is a coelenterate having a hollow cylinder-shaped body closed and attached at one end and opening at the other by a central mouth surrounded by tentacles armed with minute stinging organs

Medical Definition

polyp

noun
pol·​yp ˈpäl-əp How to pronounce polyp (audio)
: a projecting mass of swollen and hypertrophied or tumorous membrane (as in the nasal cavity or the intestine)

called also polypus

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