Bible Dictionaries
Three-Port

Webster's Dictionary

(a.) Having three ports; specif.: Designating a type of two-cycle internal-combustion engine in which the mixture enters the crank case through a port uncovered by the piston near the end of its stroke.

Bibliography Information
Webster, Noah. Entry for 'Three-Port'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/three-port.html. 1828.