aurora
n 1: the first light of day; "we got up before dawn"; "they
talked until morning" [syn: dawn, dawning, morning,
first light, daybreak, break of day, break of
the day, dayspring, sunrise, sunup, cockcrow]
[ant: sunset]
2: an atmospheric phenomenon consisting of bands of light
caused by charged solar particles following the earth's
magnetic lines of force
3: (Roman mythology) goddess of the dawn; counterpart of Greek
Eos
[also: aurorae (pl)]