The Collaborative International Dictionary of English v.0.48:
Whirling \Whirl"ing\, a. & n. from Whirl, v. t. [1913 Webster] Whirling table. (a) (Physics) An apparatus provided with one or more revolving disks, with weights, pulleys, and other attachments, for illustrating the phenomena and laws of centrifugal force, and the like. (b) A potter's wheel. [1913 Webster]