the alimentary canal, especially between the pylorus and the anus, or some portion of it. Compare foregut, midgut, hindgut.
guts. the bowels or entrails. Informal. courage and fortitude; nerve; determination; stamina: Climbing that cliff takes a lot of guts. the inner working parts of a machine or device: The mechanic had the guts of the refrigerator laid out on the kitchen floor.
the belly; stomach; abdomen.
the substance forming the case of the intestine; intestinal tissue or fiber: sheep's gut.
a preparation of the intestines of an animal, used for various purposes, as for violin strings, tennis rackets, or fishing lines.