thigh /θaɪ/noun 2forms 1phrases 1 noun2 •The upper leg of a human, between the hip and the knee.About ten days ago, in cocking a pistol in the guard-room at Marcau, he accidentally shot himself through the Thigh. — 1800 •That part of the leg of vertebrates (or sometimes other animals) which corresponds to the human thigh in position or function; the tibia of a horse, the tarsus of a bird; the third leg-section of an insect.Add the chicken thighs, close the bag, and squish the marinade to coat the chicken. — 2009 formsthighs Phrases with thigh smite hip and thighTo defeat overwhelmingly.