Bible Dictionaries
Trunk Piston

Webster's Dictionary

In a single-acting engine, an elongated hollow piston, open at the end, in which the end of the connecting rod is pivoted. The piston rod, crosshead and stuffing box are thus dispensed with.

Bibliography Information
Webster, Noah. Entry for 'Trunk Piston'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trunk-piston.html. 1828.