Definify.com
Webster 1913 Edition
Pronation
Pro-na′tion
,Noun.
[Cf. F.
pronation
.] (Physiol.)
(a)
The act of turning the palm or palmar surface of the forefoot downward.
(b)
That motion of the forearm whereby the palm or palmar, surface is turned downward.
(c)
The position of the limb resulting from the act of pronation. Opposed to
supination
. Webster 1828 Edition
Pronation
PRONA'TION
,Noun.
1.
Among anatomists, that motion of the radius whereby the palm of the hand is turned downwards; the act of turning the palm downwards; opposed to supination.2.
That position of the hand, when the thumb is turned towards the body, and the palm downwards.