Co"lon (?), n. [L. colon, colum, limb, member, the largest of the intestines, fr. Gr. , and in sense of the intestine, : cf. F. colon. Cf. Colic.]
1. Anat.
That part of the large intestines which extends from the caecum to the rectum. [See Illust of Digestion.]
2. Gram.
A point or character, formed thus [:], used to separate parts of a sentence that are complete in themselves and nearly independent, often taking the place of a conjunction.
© Webster 1913.