Intestine \In*tes"tine\, n.; pl. Intestines. [L. intestinum: cf. F. intestin. See Intestine, a.]

1. (Anat.) That part of the alimentary canal between the stomach and the anus. See Illust. of Digestive apparatus.

2. pl. The bowels; entrails; viscera.

Large intestine (Human Anat. & Med.), the lower portion of the bowel, terminating at the anus. It is adapted for the retention of fecal matter, being shorter, broader, and less convoluted than the small intestine; it consists of three parts, the c[ae]cum, colon, and rectum.

Small intestine (Human Anat. & Med.), the upper portion of the bowel, in which the process of digestion is practically completed. It is narrow and contorted, and consists of three parts, the duodenum, jejunum, and ileum.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Intestine \In*tes"tine\, a. [L. intestinus, fr. intus on the inside, within, fr. in in: cf. F. intestine. See In.]

1. Internal; inward; -- opposed to external.

Epilepsies, fierce catarrhs, Intestine stone and ulcers. --Milton.

2. Internal with regard to a state or country; domestic; not foreign; -- applied usually to that which is evil; as, intestine disorders, calamities, etc.

Hoping here to end Intestine war in heaven, the arch foe subdued. --Milton.

An intestine struggle . . . between authority and liberty. --Hume.

3. Depending upon the internal constitution of a body or entity; subjective.

Everything labors under and intestine necessity. --Cudworth.

4. Shut up; inclosed. [R.]

--Cowper.

Source: Webster's Revised Unabridged Dictionary (1913)