Sentence:  and now, disengag'd from the shirt, I saw, with wonder and surprise, what? not the play-thing of a boy, not the weapon of a man, but a <WSD>maypole</WSD> of so enormous a standard, that had proportions been observ'd, it must have belong'd to a young giant. 
Meaning of the word marked with <WSD> tags:  A penis, especially a large one.