Supination(n.) The act of turning the hand palm upward; also, position of the hand with the palm upward.
Supination(n.) The act or state of lying with the face upward. Opposed to pronation.
Supinator(n.) A muscle which produces the motion of supination.
Supine(a.) Lying on the back, or with the face upward; -- opposed to prone.
Supine(a.) Leaning backward, or inclining with exposure to the sun; sloping; inclined.
Supine(a.) Negligent; heedless; indolent; listless.
Supine(n.) A verbal noun; or (according to C.F.Becker), a case of the infinitive mood ending in -um and -u, that in -um being sometimes called the former supine, and that in -u the latter supine.
Supinity(n.) Supineness.
Words within supine