Definition
| • | 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. |
| • | A curved wedge, movable about an axis, used for forcing or clamping two pieces together. |
| • | 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. |
| • | A ridge or mound of earth. |
| • | Crooked. |
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