Definition of 未明 (みめい)
みめい
                        未明
みめい
mimei
Common word
adverbial noun, noun (temporal)
•
        
early dawn, grey of morning, gray of morning
Related Kanji
| 未 | un-, not yet, hitherto, still, even now, sign of the ram, 1-3PM, eighth sign of Chinese zodiac | 
| 明 | bright, light |