Source : Webster's Revised Unabridged Dictionary (1913)

Colitis \Co*li"tis\, n. [NL., fr. Gr. ? + -itis.] (Med.)
   An inflammation of the large intestine, esp. of its mucous
   membrane; colonitis.

Source : WordNet®

colitis
     n : inflammation of the colon [syn: {inflammatory bowel disease}]