› [U] the long tube in the body of a person or animal, through which food moves during the process of digesting food: Meat stays in the gut longer than vegetable matter.The digestive system › [C] informal a person's stomach when it is extremely large: He's got a huge beer gut (= large stomach caused by drinking beer).The human torso guts C2 [plural] › bowels: My guts hurt. He got a knife in the guts.The digestive systemOther major organs gut feeling/reaction informal › a strong belief about someone or something that cannot completely be explained and does not have to be decided by reasoning: I have a gut feeling that the relationship won't last.Predicting things and intuition › [U] a strong thread made from an animal's bowels used, especially in the past, for making musical instruments and sports racketsCords, ropes, cables and string