a. [ L. intestinus, fr. intus on the inside, within, fr. in in: cf. F. intestine. See In. ] [ 1913 Webster ]

1. Internal; inward; -- opposed to external. [ 1913 Webster ]

Epilepsies, fierce catarrhs,
Intestine stone and ulcers. Milton. [ 1913 Webster ]

2. Internal with regard to a state or country; domestic; not foreign; -- applied usually to that which is evil; as, intestine disorders, calamities, etc. [ 1913 Webster ]

Hoping here to end
Intestine war in heaven, the arch foe subdued. Milton. [ 1913 Webster ]

An intestine struggle . . . between authority and liberty. Hume. [ 1913 Webster ]

3. Depending upon the internal constitution of a body or entity; subjective. [ 1913 Webster ]

Everything labors under an intestine necessity. Cudworth. [ 1913 Webster ]

4. Shut up; inclosed. [ R. ] Cowper. [ 1913 Webster ]

n.; pl. Intestines [ L. intestinum: cf. F. intestin. See Intestine, a. ] [ 1913 Webster ]

1. (Anat.) That part of the alimentary canal between the stomach and the anus. See Illust. of Digestive apparatus. [ 1913 Webster ]

2. pl. The bowels; entrails; viscera. [ 1913 Webster ]

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 cæcum, 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. [ 1913 Webster ]