Definitions for: Comedo

[n] a black-tipped plug clogging a pore of the skin

Webster (1913) Definition: Com"e*do, n.; pl. Comedones. [L., a glutton. See
Comestible.] (Med.)
A small nodule or cystic tumor, common on the nose, etc.,
which on pressure allows the escape of a yellow wormlike mass
of retained oily secretion, with a black head (dirt).

Synonyms: blackhead

See Also: blemish, cutis, defect, skin, tegument