WordReference Random House Unabridged Dictionary of American English © 2026
port•ing
(pôr′ting, pōr′-),USA pronunciation n. [Auto., Mach.]
- Automotive, Mechanical Engineeringthe changing of the size, shape, or location of the intake and exhaust ports in an internal-combustion engine, generally to improve performance.
- port4 + -ing1 1955–60
'porting' also found in these entries (note: many are not synonyms or translations):