Cam wheel
(Mach.) | a wheel with one or more projections (cams) or depressions upon its periphery or upon its face; one which is set or shaped eccentrically, so that its revolutions impart a varied, reciprocating, or intermittent motion. |
See also: Cam
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.