Brooded

verb

1. To keep an egg warm to make it hatch.

   "In some species of birds, both the mother and father brood the eggs."

2. To protect (something that is gradually maturing); to foster.

   "Under the rock was a midshipman fish, brooding a mass of eggs."

3. (typically with about or over) To dwell upon moodily and at length, mainly alone.

   "He sat brooding about the upcoming battle, fearing the outcome."

4. To be bred.