Source : Webster's Revised Unabridged Dictionary (1913)

Linstock \Lin"stock\ (l[i^]n"st[o^]k), n. [Corrupt. fr.
   luntstock, D. lontstok; lont lunt + stok stock, stick. See
   {Link} a torch, {Lunt}, and {Stock}.]
   A pointed forked staff, shod with iron at the foot, to hold a
   lighted match for firing cannon. [Written also {lintstock}.]

Source : WordNet®

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