(uncountable) The morning twilight period immediately before sunrise.

(countable) The rising of the sun.

(uncountable) The time when the sun rises.

(uncountable) The earliest phase of something.

(intransitive) To begin to brighten with daylight.

(intransitive) To start to appear or be realized.

(intransitive) To begin to give promise; to begin to appear or to expand.