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polyp

noun
🔊/ˈpɒlɪp/
🔊/ˈpɑːlɪp/
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  1. (medical医学) a small mass of cells that develops inside the body, especially in the nose, that is caused by disease but is not usually harmful 息肉；（尤指）鼻息肉
  2. a small and very simple sea creature with a body like a tube in shape水螅（体）；（水螅型）珊瑚虫Topics Fish and shellfishc2
    3. Word Originlate Middle English (in sense (1)): from Old French polipe, from Latin polypus, from a variant of Greek polupous ‘cuttlefish, polyp’, from polu- ‘many’ + pous, pod- ‘foot’. Sense (2) dates from the mid 18th cent.