noun a small plug or wooden pin, used to stop a vent, as in a cask.
2. spile ·vt to supply with a spile or a spigot; to make a small vent in, as a cask.
3. spile ·noun a large stake driven into the ground as a support for some superstructure; a pile.
4. spile ·noun a small tube or spout inserted in a tree for conducting sap, as from a sugar maple.