Burin

burin

1. a chisel of tempered steel with a sharp lozenge-shaped point, used for engraving furrows in metal, wood, or marble

2. an engraver's individual style

3. Archaeol a prehistoric flint tool with a very small transverse edge

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burin [′bər·ən]

(graphic arts)

An etching tool used for engraving on metal or wood.

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Burin 

(also graver), in archaeology, a flint tool with a cutting edge that was used by man in the Upper Paleolithic and in the Mesolithic and early Neolithic to work bone, antler and certain types of rocks.

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Burin 

a tool used for engraving, consisting of a thin steel bar cut off obliquely at one end and sharpened; the other end is inserted into a wooden, mushroom-shaped handle that is trimmed off on the side. Burins used for engraving metal usually have a rhombic cross section; those used for engraving wood have a variety of cross sections.