Sentence:  [H]e hurried to a masquerade-warehouse in Westminster, where he selected the garb of a <WSD>sylvan</WSD>, or a man of the woods, together with a guitar, which he entrusted to a porter, bidding him accompany then to St. James's Park. / "But what connexion is there between a <WSD>sylvan</WSD> and a French song accompanied by the guitar?" asked Jocelyn, as they paced rapidly along. / "None whatever," replied his companion, "and, therefore, the better for our purpose. The King has long lost taste for that which is appropriate: to be pleased he must be surprised, and this can only be effected by some absurdity; the more preposterous the more likely to succeed." 
Meaning of the word marked with <WSD> tags:  One who resides in the woods.