v. To turn or rotate one’s hand and forearm so that the palm faces down if the forearm is horizontal, back if the arm is pointing down, or forward if the forearm is pointing up; to twist the right forearm counterclockwise or the left forearm clockwise.
v. To twist the foot so that if walking the weight would be borne on the inner edge of the foot.
v. To become pronated.
adj. Somewhat prone; inclined.
the GNU version of the Collaborative International Dictionary of English
adj. Somewhat prone; inclined.
The Century Dictionary and Cyclopedia
To render prone; specifically, to rotate (the hand) so that its palmar surface faces in the same direction as the posterior surface of the ulna.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. turn the forearm or the hand so that the palm is directed downwards
Word Usage
""The changeup, you don't realize sometimes, when you throw it, you pronate," Lannan said, demonstrating by twisting his arm so his palm faced away from his body."