n. & v.
n. 1 a wooden peg or spigot. 2 a large timber or pile for driving into the ground. 3 US a small spout for tapping the sap from a sugar-maple etc.
v.tr. make a spike-hole in (a cask etc.) in order to draw off liquid.
[ MDu., MLG, = wooden peg etc.: in sense 'pile' app. alt. of PILE(2) ]