Bible Dictionaries
Two-Throw

Webster's Dictionary

(1):

(a.) Having two crank set near together and opposite to one another; as, a two-throw crank shaft.

(2):

(a.) Capable of being thrown or cranked in two directions, usually opposite to one another; as, a two-throw crank; a two-throw switch.

Bibliography Information
Webster, Noah. Entry for 'Two-Throw'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/two-throw.html. 1828.