Source : Webster's Revised Unabridged Dictionary (1913)

Wry \Wry\, a. [Compar. {Wrier}; superl. {Wriest}.] [Akin to OE.
   wrien to twist, to bend, AS. wrigian to tend towards, to
   drive.]
   1. Turned to one side; twisted; distorted; as, a wry mouth.

   2. Hence, deviating from the right direction; misdirected;
      out of place; as, wry words.

            Not according to the wry rigor of our neighbors, who
            never take up an old idea without some extravagance
            in its application.                   --Landor.

   3. Wrested; perverted.

            He . . . puts a wry sense upon Protestant writers.
                                                  --Atterbury.

   {Wry face}, a distortion of the countenance indicating
      impatience, disgust, or discomfort; a grimace.

Source : WordNet®

wry face
     n : a disdainful pouting grimace [syn: {pout}, {moue}]