Sentence:  The wind was a torrent of darkness among the <WSD>gusty</WSD> trees, / The moon was a ghostly galleon tossed upon cloudy seas, / The road was a ribbon of moonlight over the purple moor, / And the highwayman came riding— / Riding—riding— / The highwayman came riding, up to the old inn-door. 
Meaning of the word marked with <WSD> tags:  Blowing in gusts; blustery; tempestuous.