The Collaborative International Dictionary of English v.0.48:

blinks \blinks\ (bl[i^][ng]ks), n.
   a typ of small Indian lettuce (Montia lamprosperma) of
   northern regions.

   Syn: blinking chickweed, water chickweed.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

blinks
    n 1: small Indian lettuce of northern regions [syn: blinks,
         blinking chickweed, water chickweed, Montia
         lamprosperma]