Sentence:  Her private orchards, walled on every side, / To lawless <WSD>sylvans</WSD> all access denied. / How oft the satyrs and the wanton fawns, / Who haunt the forests, or frequent the lawns, / The god whose ensign scares the birds of prey, / And old Silenus, youthful in decay, / Employed their wiles and unavailing care / To pass the fences, and surprise the fair! 
Meaning of the word marked with <WSD> tags:  A fabled deity of the wood; a faun, a satyr.