英:[bɪs'tʊrɪ]
美:[bɪs'tʊrɪ]
细长〔外科〕刀:直形或弯形,用于切开脓肿、扩大窦道或瘘管等
mid 18th cent.: from French bistouri, originally bistorie 'dagger', of unknown origin
1 外科用小刀
scalpel
2 柳叶刀
lancet lance