Webster’s Revised Unabridged Dictionary · 1913
Blindworm
Blind′worm′ (·wûrm′), n. (Zoöl.) 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.