Sentence:  So I felt my way down the passage back to the vault, and recked not of the darkness, nor of Blackbeard and his crew, if only I could lay my lips to liquor. Thus I groped about the barrels till near the top of the stack my hand struck on the <WSD>spile</WSD> of a keg, and drawing it, I got my mouth to the hold. 
Meaning of the word marked with <WSD> tags:  A spigot or plug used to stop the hole in a barrel or cask.