\Bu"rin\, n. [F. burin, cf. It. burino, bulino; prob. from
OHG. bora borer, bor[=o]n to bore, G. bohren. See 1st
{Bore}.]
1. The cutting tool of an engraver on metal, used in line
   engraving. It is made of tempered steel, one end being
   ground off obliquely so as to produce a sharp point, and
   the other end inserted in a handle; a graver; also, the
   similarly shaped tool used by workers in marble.
2. The manner or style of execution of an engraver; as, a
   soft burin; a brilliant burin.