D defs.my
Entry 1 sense Webster, 1913

Anorthoscope

· A·nor·tho·scope · IPA
01 n. An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted.
  1. 1.
    An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted.(Physics)