pustule

A small inflamed elevation of the skin that is filled with pus; a pimple.

A small swelling similar to a blister or pimple.

Something likened to an inflamed, pus-filled lesion.

One of the swellings produced in the leaves and stems of plants by Cystopus, Synchytrium, and other fungi.

In medicine, a small inflammatory tumor containing pus; a small pimple containing pus.