Sentence:  Throughout the 1500s, the populace roiled over a constellation of grievances of which the <WSD>forest</WSD> emerged as a key focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the <WSD>forest</WSD>, dodged fines for forest offenses and stole from the rich to give to the poor. But his appeal was painfully real and embodied the struggle over wood. 
Meaning of the word marked with <WSD> tags:  A defined area of land set aside in England as royal hunting ground or for other privileged use; all such areas.