pronation

[proh-ney-shuh n]

noun

rotation of the hand or forearm so that the surface of the palm is facing downward or toward the back (opposed to supination).
a comparable motion of the foot consisting of abduction followed by eversion.
the position assumed as the result of this rotation.

any similar motion of the limbs or feet of animals.

Origin of pronation

First recorded in 1660–70; pronate + -ion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pronation

Historical Examples of pronation

In short, quadrupeds have their anterior members in the position of pronation.
Artistic Anatomy of Animals
douard Cuyer
In this indication the hand is absolutely reversed, that is, it is in pronation.
Delsarte System of Oratory
Various
Pronation of the forearm is feeble, and is completed by the weight of the hand.
Manual of Surgery
Alexis Thomson and Alexander Miles
Thus, the bear (plantigrade) has five digits, and the power of performing the movements of supination and pronation.
Artistic Anatomy of Animals
douard Cuyer
The arms of these animals are permanently fixed in the position of pronation.
The Cambridge Natural History, Vol X., Mammalia
Frank Evers Beddard

Word Origin and History for pronation

1660s, from French pronation, from Medieval Latin pronationem (nominative pronatio), noun of action from past participle stem of Late Latin pronare (see pronate).

pronation in Medicine

pronation

[prō-nā′shən]

The act of pronating.
The condition of being pronated, especially the condition of having flat feet.