To turn or rotate (the hand or forearm) so that the palm faces up or forward.
To turn or rotate (the foot) by adduction and inversion so that the outer edge of the sole bears the body's weight.
supinate su·pi·nate (s&oomacr;'pə-nāt') v. su·pi·nat·ed, su·pi·nat·ing, su·pi·nates To assume, or to be placed in, a supine position.