noun

1. a plug or spigot, as for a barrel
2. ☆ a tap or spout driven into a maple tree to draw off sap
3. a heavy stake or timber driven into the ground as a foundation or support

Etymology: MDu, splinter, skewer, bar, spindle: for IE base see spike

transitive verb spiled, spiling spil′·ing

1. to furnish or support with spiles, or stakes
2. to set a spile into (a tree, barrel, etc.)
3. to draw off (liquid) through a spile
4. to stop up (a hole) with a spile, or plug