A lever with one or more projecting metal pins; (Watchmaking and Clockmaking) a pin pallet escapement; a watch having such an escapement.
Early 20th century; earliest use found in The Times. From pin + lever.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。