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English to English noun
| 1 |
a small vascular growth on the surface of a mucous membrane |  | source: wordnet30
| 2 |
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 | | Example: in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase
source: wordnet30
| 3 |
One of the feeding or nutritive zooids of a hydroid or coral. | | source: webster1913
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