Source : Webster's Revised Unabridged Dictionary (1913)

Blench \Blench\, v. i. [imp. & p. p. {Blenched}; p. pr. & vb. n.
   {Blenching}.] [OE. blenchen to blench, elude, deceive, AS.
   blencan to deceive; akin to Icel. blekkja to impose upon.
   Prop. a causative of blink to make to wink, to deceive. See
   {Blink}, and cf. 3d {Blanch}.]
   1. To shrink; to start back; to draw back, from lack of
      courage or resolution; to flinch; to quail.

            Blench not at thy chosen lot.         --Bryant.

            This painful, heroic task he undertook, and never
            blenched from its fulfillment.        --Jeffrey.

   2. To fly off; to turn aside. [Obs.]

            Though sometimes you do blench from this to that.
                                                  --Shak.

Blench \Blench\, v. t.
   1. To baffle; to disconcert; to turn away; -- also, to
      obstruct; to hinder. [Obs.]

            Ye should have somewhat blenched him therewith, yet
            he might and would of likelihood have gone further.
                                                  --Sir T. More.

   2. To draw back from; to deny from fear. [Obs.]

            He now blenched what before he affirmed. --Evelyn.

Blench \Blench\, n.
   A looking aside or askance. [Obs.]

         These blenches gave my heart another youth. --Shak.

Blench \Blench\, v. i. & t. [See 1st {Blanch}.]
   To grow or make pale. --Barbour.

Source : WordNet®

blench
     v : turn pale, as if in fear [syn: {pale}, {blanch}]