Sentence:  And, after conflict such as was supposed / The wandering prince and Dido once enjoy'd, / When with a happy storm they were surprised / And <WSD>curtain'd</WSD> with a counsel-keeping cave, / We may, each wreathed in the other's arms, / Our pastimes done, possess a golden slumber; 
Meaning of the word marked with <WSD> tags:  To hide, cover or separate as if by a curtain.