Cup and ball

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a familiar toy of children, having a cup on the top of a piece of wood to which, a ball is attached by a cord; the ball, being thrown up, is to be caught in the cup; bilboquet.

See also: Cup

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Try this: Start swinging the cup and ball back-and-forth, a little higher each time.
If you let go of the string while the cup and ball are in circular motion, they will fly away in a straight line.