You searched for: “thaumatrope
thaumatrope (s) (noun), thaumatropes (pl)
1. A "magic card" with different pictures on either side so that when the card is rapidly twirled, the images appear to combine as one.
2. Applied to a disk or cylinder bearing a series of figures which, on being rapidly rotated and viewed through a slit, produce the impression of a moving object.

An example is a horse on one side and a rider on the other, so that one gets the image of a rider on horseback.

This entry is located in the following unit: thaumato-, thaumat- (page 1)