Sentence:  Pretty soon I struck into a sort of pathnb.... It twisted and turned,...and opened out into a big <WSD>clear</WSD> space like a lawn. And, back of the lawn, was a big, old-fashioned house, with piazzas stretching in front of it, and all blazing with lights. 'Twas the house I'd seen the roof of from the beach. 
Meaning of the word marked with <WSD> tags:  Free of obstacles.