Gut

n. 1 the intestine. 2 (in pl.) the bowel or entrails. 3 (in pl.) colloq. personal courage and determination; perseverance. 4 slang stomach, belly. 5 (in pl.) a contents. b essence. 6 a material for violin strings etc. b material for fishinglines made from the silkglands of silkworms. 7 (attrib.) a instinctive (a gut reaction). b fundamental (a gut issue). v. (101 remove or destroy the internal fittings of (a house etc.). 2 remove the guts of (a fish). c hate a