Main entry: Aurora
Definition: (Roman mythology) goddess of the dawn; counterpart of Greek Eos
Main entry: aurora
Definition: an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
Main entry: break of day, break of the day, cockcrow, aurora, first light, morning, dawn, dawning, daybreak, dayspring, sunrise, sunup
Definition: the first light of day
Usage: we got up before dawn; they talked until morning