cam /ˈkæm/
 凸輪計算機輔助製造;中央位址存儲器計算機輔助製造
 cam
 凸輪
 cam
 凸輪
 Cam n.
 1. Med. (a) A turning or sliding piece which, by the shape of its periphery or face, or a groove in its surface, imparts variable or intermittent motion to, or receives such motion from, a rod, lever, or block brought into sliding or rolling contact with it. (b) A curved wedge, movable about an axis, used for forcing or clamping two pieces together. (c) A projecting part of a wheel or other moving piece so shaped as to give alternate or variable motion to another piece against which it acts.
 Note: ☞ Cams are much used in machinery involving complicated, and irregular movements, as in the sewing machine, pin machine, etc.
 2. A ridge or mound of earth. [Prov. Eng.]
 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.
 Cam a.  Crooked. [Obs.]
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 Cam
      n 1: a river in east central England that flows past Cambridge to
           join the Ouse River [syn: River Cam, Cam River]
      2: a rotating disk shaped to convert circular into linear
         motion