'Supination' definitions:
Definition of 'supination'
From: WordNet
noun
Rotation of the hands and forearms so that the palms face upward [ant: pronation]
Definition of 'Supination'
From: GCIDE
- Supination \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. [1913 Webster]