Leviticus 7:32; Leviticus 7:34

32 'You shall give the right thigh to the priest as a contribution from the sacrifices of your peace offerings.

34 'For I have taken the breast of the wave offering and the thigh of the contribution from the sons of Israel from the sacrifices of their peace offerings, and have given them to Aaron the priest and to his sons as their due forever from the sons of Israel.