rack and pinion: Meaning and Definition of

rack' and pin'ion

Pronunciation: [key]
? Mach., Auto. Mach.,Auto.
  1. See under (def. 5a).

rack-and-pin•ion

Pronunciation: (rak'un-pin'yun), [key]
? adj.
  1. of or pertaining to a mechanism in which a rack engages a pinion:See illus. under. rack-and-pinion steering.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.