The Collaborative International Dictionary of English v.0.48:

Blink \Blink\ (bl[i^][ng]k), v. i. [imp. & p. p. Blinked
   (bl[i^][ng]kt); p. pr. & vb. n. Blinking.] [OE. blenken;
   akin to dan. blinke, Sw. blinka, G. blinken to shine, glance,
   wink, twinkle, D. blinken to shine; and prob. to D. blikken
   to glance, twinkle, G. blicken to look, glance, AS.
   bl[imac]can to shine, E. bleak. [root]98. See Bleak; cf.
   1st Blench.]
   [1913 Webster]
   1. To wink; to twinkle with, or as with, the eye.
      [1913 Webster]

            One eye was blinking, and one leg was lame. --Pope
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   2. To see with the eyes half shut, or indistinctly and with
      frequent winking, as a person with weak eyes.
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            Show me thy chink, to blink through with mine eyne.
                                                  --Shak.
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   3. To shine, esp. with intermittent light; to twinkle; to
      flicker; to glimmer, as a lamp.
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            The dew was falling fast, the stars began to blink.
                                                  --Wordsworth.
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            The sun blinked fair on pool and stream . --Sir W.
                                                  Scott.
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   4. To turn slightly sour, as beer, mild, etc.
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The Collaborative International Dictionary of English v.0.48:

Blink \Blink\, v. t.
   1. To shut out of sight; to avoid, or purposely evade; to
      shirk; as, to blink the question.
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   2. To trick; to deceive. [Scot.] --Jamieson.
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The Collaborative International Dictionary of English v.0.48:

Blink \Blink\, n. [OE. blink. See Blink, v. i. ]
   1. A glimpse or glance.
      [1913 Webster]

            This is the first blink that ever I had of him.
                                                  --Bp. Hall.
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   2. Gleam; glimmer; sparkle. --Sir W. Scott.
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            Not a blink of light was there.       --Wordsworth.
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   3. (Naut.) The dazzling whiteness about the horizon caused by
      the reflection of light from fields of ice at sea; ice
      blink.
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   4. pl. [Cf. Blencher.] (Sporting) Boughs cast where deer
      are to pass, to turn or check them. [Prov. Eng.]
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WordNet (r) 3.0 (2006):

blink
    n 1: a reflex that closes and opens the eyes rapidly [syn:
         blink, eye blink, blinking, wink, winking,
         nictitation, nictation]
    v 1: briefly shut the eyes; "The TV announcer never seems to
         blink" [syn: blink, wink, nictitate, nictate]
    2: force to go away by blinking; "blink away tears" [syn:
       wink, blink, blink away]
    3: gleam or glow intermittently; "The lights were flashing"
       [syn: flash, blink, wink, twinkle, winkle]

Moby Thesaurus II by Grady Ward, 1.0:

112 Moby Thesaurus words for "blink":
   albedo, avoid, bat, bat the eyes, blench, blink at, blinking,
   broken, carefully ignore, cast, cold-shoulder, coruscate,
   coruscation, cringe, cut a corner, cut corners, disregard, dodge,
   draw back, duck, evade, fade, fall back, firefly, flash, flicker,
   flinch, fudge, funk, glance, gleam, glimmer, glimmering, glimpse,
   glisk, glisten, glister, glitter, glittering, glowworm,
   half an eye, hang back, ice sky, iceblink, ignore, in disrepair,
   incident light, jib, move, nictitate, on the blink, on the fritz,
   out of order, out of whack, overlook, pass over, pass over lightly,
   peek, peep, pull back, quail, quick sight, rapid glance, recoil,
   reel back, reflectance, reflection, retreat, scamp, scintilla,
   scintillate, scintillation, sheer off, shimmer, shimmering, shrink,
   shrink back, shy, sidestep, skim, skim over, skim the surface,
   skimp, skip over, slant, slight, slubber over, slur, slur over,
   snowblink, spangle, spark, sparkle, squiz, start, start aside,
   start back, stroboscopic light, swerve, tinsel, touch upon,
   touch upon lightly, turn aside, twinkle, twinkling, water sky,
   waterblink, weasel, weasel out, wince, wink, wink at