'Polyspast' definitions:

Definition of 'Polyspast'

From: GCIDE

Polyspast \Pol"y*spast\, n. [L. polyspaston, fr. Gr. ?, fr. ? drawn by several cords; poly`s many + ? to draw: cf. F. polyspaste.] (Surg.) A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations. [1913 Webster]