Source : Webster's Revised Unabridged Dictionary (1913)

Blindworm \Blind"worm`\, n. (Zo["o]l.)
   A small, burrowing, snakelike, limbless lizard ({Anguis
   fragilis}), with minute eyes, popularly believed to be blind;
   the slowworm; -- formerly a name for the adder.

         Newts and blindworms do no wrong.        --Shak.

Source : WordNet®

Anguis fragilis
     n : small burrowing legless European lizard with tiny eyes;
         popularly believed to be blind [syn: {blindworm}, {slowworm}]