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.

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.