polypus

noun polypi · polypuses

1. A polyp. The nasal passages should be carefully examined for symptoms of stegnosis, enlargement of the turbinated bones, polypi, etc.
2. A cardiac thrombus usually found post-mortem.
3. obsolete A tentacled cephalopod, such as an octopus, squid, or cuttlefish. He had been becalmed in the tropical seas, and had watched, in eager expectation, though unhappily always in vain, to see the colossal polypus rise from the water, and entwine its enormous arms round the masts and the rigging.
4. archaic Any of various simple aquatic invertebrates having mouths surrounded by tentacles, including hydrozoa and anthozoa; including the sessile life stages of organisms whose corresponding free-swimming stage is the medusa.