• IPA: /ɪnˈtɛstɪn/, /ɪnˈtɛsˌtiːn/
• (Canada) IPA: /ɪnˈtɛstaɪn/, /ˈɪntɛstaɪn/
• (Australia) IPA: /ɪnˈtɛstaɪn/
• (Philippine) IPA: /ˈɪntɛstɪn/

From Latin intestīnum, neuter of intestīnus ("internal"), as Etymology 2, below.

intestine (plural intestines)

1. (anatomy, often pluralized) The alimentary canal of an animal through which food passes after having passed all stomachs.
2. One of certain subdivisions of this part of the alimentary canal, such as the small or large intestine in human beings.

• bowel
• gut
• tharm

• French: intestin, boyau (intestine of an animal, or, informally, of a human)
• German: Darm, Eingeweide
• Italian: intestino
• Portuguese: intestino
• Russian: кишка́
• Spanish: intestino, tripa

• French: intestin
• German: Darm, Eingeweide
• Italian: intestino
• Portuguese: intestino
• Russian: кишка́
• Spanish: intestino, intestinos

From Latin intestīnus, from intus ("within").

intestine (not comparable)

1. Domestic; taking place within a given country or region.
   • 1751 August 16, Samuel Johnson, “No. 145. Tuesday, August 6. 1751 [Julian calendar].”, in The Rambler, volume VI, Edinburgh: […] Sands, Murray, and Cochran; sold by W. Gordon, C. Wright, J. Yair, […], published 1751, →OCLC ↗, page 109 ↗:

     [W]riters ſhould ceaſe from inteſtine hoſtilities; and, inſtead of ſacrificing each other to malice and contempt, endeavour to avert perſecution from the meaneſt of their fraternity.

   • 1776, Edward Gibbon, chapter 1, in The History of the Decline and Fall of the Roman Empire, volume (please specify |volume=I to VI), London: […] W[illiam] Strahan; and T[homas] Cadell, […], →OCLC ↗:

     Yet the success of Trajan, however transient, was rapid and specious. The degenerate Parthians, broken by intestine discord, fled before his arms.

2. (obsolete) Internal.
   • 1667, John Milton, “Book VI”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC ↗; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC ↗:

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

   • a. 1776, David Hume, Of the Origin of Government:

     a perpetual intestine struggle […] between authority and liberty

3. (obsolete, rare) Depending upon the internal constitution of a body or entity; subjective.
   • 1603, Michel de Montaigne, chapter 41, in John Florio, transl., The Essayes […], book I, London: […] Val[entine] Simmes for Edward Blount […], →OCLC ↗:

     When you have alleaged all the reasons you can, and beleeved all to disavow and reject her, she produceth, contrarie to your discourses, so intestine inclination, that you have small hold against her.

   • 1678, R[alph] Cudworth, The True Intellectual System of the Universe: The First Part; wherein All the Reason and Philosophy of Atheism is Confuted; and Its Impossibility Demonstrated, London: […] Richard Royston, […], →OCLC ↗:

     Every thing labours under an intestine necessity.

4. (obsolete, rare) Shut up; enclosed.
   • 1782–1785, William Cowper, “(please specify the page)”, in The Task, a Poem, […], London: […] J[oseph] Johnson;  […], →OCLC ↗:

     Where now the vital energy that moved, While summer was, the pure and subtle lymph Through the imperceptible meandering veins Of leaf and flower? It sleeps; and the icy touch Of unprolific winter has impress'd A cold stagnation on the intestine tide.