Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To turn or rotate (the hand or forearm) so that the palm faces up or forward.
  • intransitive verb To turn or rotate (the foot) by adduction and inversion so that the outer edge of the sole bears the body's weight.
  • intransitive verb To be supinated; undergo supination.

from The Century Dictionary.

  • In anatomy and physiology, to bring (the hand) palm upward. In this position the radius and ulna are parallel. See pronate.
  • To lie with the palm upward, as the hand; turn so that the palm is upward.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive, anatomy To twist the forearm so as to turn the palm of the hand backwards if the forearm is pointing up, upwards if the forearm is horizontal, or forwards if the arm is pointing down; to twist the forarm by contracting the biceps brachii; to twist the right forearm clockwise or the left forearm counterclockwise.
  • verb transitive, anatomy To twist the foot so the weight is on the outer edge.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb turn (the hand or forearm) so that the back is downward or backward, or turn out (the leg)

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin supīnāre, supīnāt-, from supīnus, backward; see supine.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin supīnō ("turn up, turn over").

Examples

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