enorthotrope

Century Dictionary and Cyclopedia

1. n. A toy similar to the thaumatrope, consisting of a card on different parts of which are detached portions of a picture, which on rapid revolution appear to become joined, by virtue of the principle of persistence in visual impressions. See thaumatrope.

GNU Webster's 1913

1. 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 revolved. See thaumatrope.