[ spʌɪl ]
■ noun
1》 a small wooden peg or spigot.
2》 N. Amer. a small spout for tapping the sap from a sugar maple.
3》 a large, heavy timber driven into the ground to support a superstructure.
■ verb chiefly US or dialect broach (a cask) with a peg to draw off liquid.
Origin
C16: from MDu., Mid. Low Ger., 'wooden peg'; in sense 3 appar. an alt. of pile 2 .