lancet
/ˈlɑːnsɪt/noun
1
- a small, broad two-edged surgical knife or blade with a sharp point（外科手术用）柳叶刀。
2
- a lancet arch or window尖拱, 尖头窗。
2.1
- as modifier shaped like a lancet arch尖拱状的：
a lancet clock.
尖拱状钟。
派生词
lanceted
adjective词源
late Middle English (also denoting a small lance)： from Old French lancette, diminutive of lance 'a lance'.