Source : Webster's Revised Unabridged Dictionary (1913)

Keloid \Ke"loid\, a. [Gr. ? tumor + -oid.] (Med.)
   Applied to a variety of tumor forming hard, flat, irregular
   excrescences upon the skin. -- n. A keloid tumor.

Keloid \Ke"loid\, a. [Gr. ? crab's claw + -oid: cf. F.
   k['e]lo["i]de, ch['e]lo["i]de.] (Med.)
   Applied to a variety of tumor forming hard, flat, irregular
   excrescences upon the skin.

Keloid \Ke"loid\, n.
   A keloid tumor.

Source : WordNet®

keloid
     n : raised pinkish scar tissue at the site of an injury; results
         from excessive tissue repair [syn: {cheloid}]