(1):

(n.) A large stake driven into the ground as a support for some superstructure; a pile.

(2):

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

(3):

(n.) A small tube or spout inserted in a tree for conducting sap, as from a sugar maple.

(4):

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