brood
verbUK /bruːd/
US /bruːd/
To think about something sad or worrying for a long time.
She sat by the window and brooded about the argument all afternoon.
OTHER MEANINGS
2. A group of young birds born at the same time.
The hen led her brood of chicks across the yard.
3. To sit on eggs to keep them warm until they hatch.
The robin brooded over her eggs for nearly two weeks.
4. A group of children in one family.
He grew up with a large brood of brothers and sisters.