gut

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The alimentary canal or a portion thereof, especially the intestine or stomach.
2. n. The embryonic digestive tube, consisting of the foregut, the midgut, and the hindgut.
3. n. The bowels; entrails; viscera.
4. n. Slang Innermost emotional or visceral response: She felt in her gut that he was guilty.
5. n. Slang The essential components or inner working parts: "The best part of a good car . . . is its guts” ( Leigh Allison Wilson).
6. n. Slang Courage; fortitude.
7. n. Slang Nerve; audacity.
8. n. Slang A gut course.
9. n. A thin, tough cord made from the intestines of animals, usually sheep, used as strings for musical instruments or as surgical sutures.
10. n. A narrow passage or channel.
11. n. Fibrous material taken from the silk gland of a silkworm before it spins a cocoon, used for fishing tackle.
12. v. To remove the intestines or entrails of; eviscerate.
13. v. To extract essential or major parts of: gut a manuscript.
14. v. To destroy the interior of: Fire gutted the house.
15. v. To reduce or destroy the effectiveness of: A stipulation added at the last minute gutted the ordinance.
16. adj. Slang Arousing or involving basic emotions; visceral: "Conservationism is a gut issue in the West” ( Saturday Review).
17. idiom. gut it out Slang To show pluck and perseverance in the face of opposition or adversity.

Century Dictionary and Cyclopedia

1. n. Either the whole or a distinct division of that part of the alimentary canal of an animal which extends from the stomach to the anus; the intestinal canal, or any part of it; an intestine: as, the large gut; the small gut; the blind gut, or cæcum.
2. n. In the plural, the bowels; the whole mass formed by the natural convolutions of the intestinal canal in the abdomen.
3. n. In biology, the whole intestinal tube, alimentary canal, or digestive tract; the enteric tube, from mouth to anus. See enteron, stomodæum, proctodæum.
4. n. The whole digestive system; the viscera; the entrails in general: commonly in the plural.
5. n. The substance forming the case of the intestine; intestinal tissue or fiber: as, sheep's gut; calf-gut.
6. n. A preparation of the intestines of an animal used for various purposes, as for the strings of a violin, or, in angling, for the snood or leader to which the hook or lure is attached. In the latter case the material, called in full silkworm gut, is not true gut, but is formed from the fiber drawn out from a silkworm killed when it is just ready to spin its cocoon.
7. n. A narrow passage; particularly, a narrow channel of water; a strait; a long narrow inlet.
8. To take out the entrails of; disembowel; eviscerate.
9. To plunder of contents; destroy or strip the interior of: as, the burglars gutted the store.

Wiktionary

1. n. The alimentary canal, especially the intestine.
2. n. informal The abdomen of a person, especially one that is enlarged
3. n. uncountable The intestines of an animal used to make strings of a tennis racket or violin, etc.
4. n. A person's emotional, visceral self.
5. n. this sense?) Any small internal organs.
6. n. in the plural The essential, core parts.
7. n. in the plural Ability and will to face up to adversity or unpleasantness.
8. n. informal A gut course
9. v. transitive To eviscerate.
10. v. transitive To remove or destroy the most important parts of.
11. adj. Made of gut, e.g., a violin with gut strings
12. adj. Instinctive, e.g., a gut reaction

GNU Webster's 1913

1. n. A narrow passage of water.
2. n. An intenstine; a bowel; the whole alimentary canal; the enteron; (pl.) bowels; entrails.
3. n. One of the prepared entrails of an animal, esp. of a sheep, used for various purposes. See Catgut.
4. n. The sac of silk taken from a silkworm (when ready to spin its cocoon), for the purpose of drawing it out into a thread. This, when dry, is exceedingly strong, and is used as the snood of a fish line.
5. v. To take out the bowels from; to eviscerate.
6. v. To plunder of contents; to destroy or remove the interior or contents of.

WordNet 3.0

1. n. a strong cord made from the intestines of sheep and used in surgery
2. n. the part of the alimentary canal between the stomach and the anus
3. v. empty completely; destroy the inside of
4. n. a narrow channel or strait
5. v. remove the guts of