6.(in certain printing presses)
a.a rotating cylinder that produces the impression and under which a flat form to be printed from passes.
b.either of two cylinders, one carrying a curved form or plate to be printed from, that rotate against each other in opposite directions.
7.(in certain locks) a cylindrical device for retaining the bolt until tumblers have been pushed out of its way.
8.(in a screw or cylindrical gear) an imaginary cylindrical form, concentric to the axis, defining the pitch or the inner or outer ends of the threads or teeth.
9.Computers. the tracks of a magnetic disk that are accessible from a single radial position of the access mechanism.
10.Textiles. the main roller on a carding machine, especially the roller covered with card clothing that works in combination with the worker and stripper rollers in carding fibers.
11.Archaeology. a cylindrical or somewhat barrel-shaped stone or clay object bearing a cuneiform inscription or a carved design, worn by the Babylonians, Assyrians, and kindred peoples as a seal and amulet.
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