lancet

名词 lancet:

1. an acutely pointed Gothic arch, like a lance
   同义词：lancet arch
2. a surgical knife with a pointed double-edged blade; used for punctures and small incisions
   同义词：lance

lan.cet

n.（名词）
Medicine A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions.Also called lance
【医学】 柳叶刀：一种手术刀，有短而宽的双刃尖头，尤指用来戳破和切入用的也作 lance
Architecture
【建筑学】
A lancet arch.
尖顶拱
adj.（形容词）
A lancet window.
尖顶窗

来源：
Middle English
中古英语
from Old French [diminutive of] lance [lance] * see lance
源自 古法语 [] lance的小后缀 [长矛] *参见 lance