Source : Webster's Revised Unabridged Dictionary (1913)

Slowworm \Slow"worm`\, n. [AS. sl[=a]wyrm; the first part is
   probably akin to sle['a]n to strike, the reptile being
   supposed to be very poisonous. See {Slay}, v. t., and
   {Worm}.] (Zo["o]l.)
   A lecertilian reptile; the blindworm.

Source : WordNet®

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