noun a species of crowfoot.
2. aurora ·noun the rise, dawn, or beginning.
3. aurora ·noun the aurora borealis or aurora australis (northern or southern lights).
4. aurora ·noun the rising light of the morning; the dawn of day; the redness of the sky just before the sun rises.
5. aurora ·noun the roman personification of the dawn of day; the goddess of the morning. the poets represented her a rising out of the ocean, in a chariot, with rosy fingers dropping gentle dew.