Hey Boot ; dawn (dôn) n. 1. The time each morning at which daylight first begins. 2. A first appearance; a beginning: the dawn of history. See Synonyms at beginning. intr.v. dawned, dawn·ing, dawns 1. To begin to become light in the morning. 2. To begin to appear or develop; emerge. 3. To begin to be perceived or understood I knew it was spelled right.Now piss off.