Meaning of porting

port•ing

Pronunciation: (pôr'ting, pōr'-), [key]
— n. Auto., Mach.
  1. the changing of the size, shape, or location of the intake and exhaust ports in an internal-combustion engine, generally to improve performance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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