Su`pi*na"tion (?), n. [L. supinare, supinatum, to bend or lay backward, fr. supinus supine: cf. F. supination. See Supine.] Physiol. (a)

The act of turning the hand palm upward; also, position of the hand with the palm upward.

(b)

The act or state of lying with the face upward. Opposed to pronation.

 

© Webster 1913.

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