first light From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounThe time when light first appears in the morning; dawn. Related wordsSynonymsbreak of daycockcrowdawndaybreakdayspringsunupdawningsunrisemorningaurorabreak of the dayforedawncrack of dawnbeginning of daypredawndawntime References Wiktionary — first light Wikipedia — first light