'Two-throw' definitions:

Definition of 'Two-throw'

From: GCIDE

Two-throw \Two"-throw`\, a. (Mach.) (a) Capable of being thrown or cranked in two directions, usually opposite to one another; as, a two-throw crank; a two-throw switch. (b) Having two crank set near together and opposite to one another; as, a two-throw crank shaft. [Webster 1913 Suppl.]