Three-port

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Three-port \Three"-port`\, 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.
     [Webster 1913 Suppl.]


     [1913 Webster]