say it: PAH-lip
polyp is a noun meaning "a small vascular growth on the surface of a mucous membrane". It carries 2 recorded senses.
a small vascular growth on the surface of a mucous membrane
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
“in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for polyp come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.