pronation

[ proh-ney-shuh n ]

/ proʊˈneɪ ʃən /

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

Pronation of the forearm is feeble, and is completed by the weight of the hand.

Manual of Surgery |Alexis Thomson and Alexander Miles
The wrist has also forward and backward movements, either in pronation, in supination, or the normal state.

Delsarte System of Oratory |Various
Those defending the upper left-hand quarter are “quarte” (fourth; in supination) and “quinte” (fifth; in pronation).

Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 |Various
In disease of the elbow, the usual attitude is that of flexion with pronation of the hand.

Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. |Alexander Miles

They may follow sudden dorsal flexion, or forced supination, or pronation of the foot.

Surgery, with Special Reference to Podiatry |Maximilian Stern

pronation

[ prō-nā′shən ]

The act of pronating.

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