D defs.my
Entry 1 sense Webster, 1913

Enorthotrope

· En·or·tho·trope · IPA
01 n. An optical toy; a card on which confused or imperfect figures are drawn, but which form to the eye regular figures when the card is rapidly…
  1. 1.
    An optical toy; a card on which confused or imperfect figures are drawn, but which form to the eye regular figures when the card is rapidly revolved. See Thaumatrope. See: Thaumatrope