American Heritage Dictionary
(9)
Century Dictionary
(18)
GNU Webster's 1913
(3)
WordNet
(5)
Elsewhere on the web
Type Rack & pinion, power-assisted, speed-sensitive— Autoblog
The first wheel or pinion, is the one on which the mainspring is wound, the second is the center wheel or pinion, on which the minute hand is mounted and from which the hour wheel is geared.— Modern Mechanix
I attached the governor to the fourth pinion, or the one which was now last in the train.— Modern Mechanix
I now whittled a little block of wood into the shape of a spindle and fastened it rigidly to the center pinion, in the place where the minute hand had been.— Modern Mechanix
Rack and pinion, Servotronic speed-sensitive power-assisted steering, 3.0 turns lock-to-lock— Autoblog

American Heritage Dictionary (2)
Century Dictionary (3)
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