Noun: aurora (aurorae,auroras) o'ro-ru
- The first light of day
"we got up before aurora";
- dawn, dawning, morning, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrow
- An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
"The aurora borealis lit up the northern sky with vibrant green and purple hues"
- (Roman mythology) goddess of the dawn; counterpart of Greek Eos
Derived forms: Auroras, aurorae, auroras
Type of: atmospheric phenomenon, hour, Roman deity, time of day
Encyclopedia: Aurora, Ontario railway station