Spile \Spile\, n. [Cf. LG. spile, dial. G. speil, speiler, D. spijl. [root]170.]

1. A small plug or wooden pin, used to stop a vent, as in a cask.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Spile \Spile\, v. t. To supply with a spile or a spigot; to make a small vent in, as a cask.

Source: Webster's Revised Unabridged Dictionary (1913)