A tumor, usually with a narrow base, somewhat resembling a pear, -- found in the nose, uterus, etc., and produced by hypertrophy of some portion of the mucous membrane.

A polypus is a cuttlefish, octopus or tumor, with additional characteristics in Blake's work suggesting a jellyfish, squid, or sponge, usually represents vegetative institutions such as religions and governments.

a small vascular growth on the surface of a mucous membrane

Non-malignant type of growth

Same as Polyp.