burin
/ˈbjʊərɪn/noun
1- a hand-held steel tool used for engraving in metal or wood; a graver雕刻工具; 雕刻刀。
1.1
- Archaeology a flint tool with a chisel point【考古】凿刀状火石器。
词源
mid 17th cent.: from French; perhaps related to Old High German bora 'boring tool'.