ˈbyu̇rə̇n, ˈbərə̇n noun
( -s )
Etymology: French, perhaps from Catalan burí, perhaps of Celtic origin; akin to Middle Irish bern, berna gap, chasm; akin to Old English borian to bore — more at bore
1. : an engraver's tool having a tempered steel shaft ground obliquely to a sharp point at one end and inserted into a handle at the other — called also graver
2. : a flint tool with a point like that of a chisel found chiefly in upper Paleolithic sites of western Europe and in Mesolithic sites of Siberia