n.a stick about a meter long with a point on one end (to stick in the ground) and a forked head on the other end (to hold a lighted match); formerly used to fire cannons
英汉双解大词典
linstock/ˈlɪnˌstɒk/
1.
N（名词）
a long staff holding a lighted match, formerly used to fire a cannon (旧时放炮用的)火绳杆