CHISEL (from the O. Fr. cisel,

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• MODERN

modern ciseau,

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• LATE

Late

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• LAT

Lat. cisellum, a cutting

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• TOOL (0. Eng. tdl, generally referred to a root seen in the Goth. taujan, to make, or in the English word " taw," to work or dress leather)

tool, from caedere, to cut)  , a sharp-edged tool for cutting metal, wood or stone . There are numerous varieties of chisels used in different trades; the carpenter's chisel is wooden-handled with a straight edge, transverse to the axis and bevelled on one side; stone masons' chisels are bevelled on both sides. and others have oblique, concave or convex edges . A chisel with a semicircular blade is called a " gouge." The tool is worked either by hand-pressure or by blows from a hammer or mallet . The " cold chisel " has a steel edge, highly tempered to cut unheated metal .