The Collaborative International Dictionary of English v.0.48:

Wince \Wince\, v. i. [imp. & p. p. Winced; p. pr. & vb. n.
   Wincing.] [OE. wincen, winchen, OF. quencir, guenchir,
   guenchier, giencier, guinchier, and (assumed) winchier,
   winchir, to give way, to turn aside, fr. OHG. wankjan,
   wenken, to give way, to waver, fr. winchan to turn aside, to
   nod, akin to E. wink. See Wink.]
   [1913 Webster]
   1. To shrink, as from a blow, or from pain; to flinch; to
      start back.
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            I will not stir, nor wince, nor speak a word.
                                                  --Shak.
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   2. To kick or flounce when unsteady, or impatient at a rider;
      as, a horse winces.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wincing \Win"cing\, n.
   The act of washing cloth, dipping it in dye, etc., with a
   wince.
   [1913 Webster]

   Wincing machine.
   (a) A wince. --Ure.
   (b) A succession of winces. See Wince. --Knight.
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