US, countable, uncountableThe time of day when the sun appears above the eastern horizon.
““Shagbark, that was risky on your part; even where it lies it is much closer than I like, for we shall all have to see it in the morning.”
“No, you won’t; it’ll be gone afore sunup.””
US, countable, uncountableThe change in color of the sky at sunup.