polyp

noun

pol·​yp ˈpä-ləp 

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

ˈpä-lə-ˌpȯid 

adjective

Examples of polyp in a Sentence

Recent Examples on the Web

The procedure allows doctors to identify and remove any polyps, which are the growths that can turn into cancer. —Alex Ross, PEOPLE, 10 Sep. 2025

Over time, that might lead to mutations and polyps. —Khloe Quill, FOXNews.com, 7 Sep. 2025

These polyp groups are called colonies. —Irene Wright, Miami Herald, 5 Sep. 2025

Not necessarily, though the presence of polyps definitely calls for a closer look. —Caroline C. Boyle, USA Today, 2 Sep. 2025

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

Rhymes for polyp

• dollop
• wallop

Kids Definition

polyp

noun

pol·​yp ˈpäl-əp 

: 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 

: a projecting mass of swollen and hypertrophied or tumorous membrane (as in the nasal cavity or the intestine)

called also polypus