Sentence:  White roses and daedal creepers, that Miss Carnot had first adorned the walls with, spread now luxuriantly over the lichen-<WSD>filmed</WSD> tiles of the roof, and in slender graceful sprays timidly invaded the ghostly cobweb-draped apartments. 
Meaning of the word marked with <WSD> tags:  ("in compounds") Covered with a film of (a specified type or substance).