Sentence:  […] Hesperus, that led / The starry host, rode brightest, till the moon, / Rising in clouded majesty, at length / <WSD>Apparent</WSD> queen unveiled her peerless light, / And o'er the dark her silver mantle threw. 
Meaning of the word marked with <WSD> tags:  Capable of being seen, or easily seen; open to view; visible to the eye, eyely; within sight or view.