A cardiac thrombus usually found post-mortem.(noun)
An octopus.(noun)
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Use "polypus" in a sentence
""O Mrs. Booth! could I have been certain that I had occasioned this, however innocently I had occasioned it, I could never have survived it; but the surgeon who opened him after his death assured me that he died of what they called a polypus in his heart, and that nothing which had happened on account of me was in the least the occasion of it."
"It appeared to us that the production called polypus resembled an animal much less than a carrot or asparagus."
""Applied also to the nose it cureth the disease called polypus, which by time and sufferance stoppeth the nostrils.""