D defs.my
Entry 2 senses Webster, 1913

Colon

/(kō"lŏn)/ · Co·lon · IPA /ˈkoʊ.lən/
01 n. That part of the large intestines which extends from the cæcum to the rectum. [See Illust. of Digestion.]
  1. 1.
    That part of the large intestines which extends from the cæcum to the rectum. [See Illust. of Digestion.](Anat.) See: Digestion
  2. 2.
    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.(Gram.)