lin·stock /ˈlɪnˌstɑk/
火繩桿
Lin·stock n. A pointed forked staff, shod with iron at the foot, to hold a lighted match for firing cannon. [Written also lintstock.]
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linstock
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