brooding
/ˈbɹuːdɪŋ/verb
Definitions
To keep an egg warm to make it hatch.
Example: In some species of birds, both the mother and father brood the eggs.
To protect (something that is gradually maturing); to foster.
Example: Under the rock was a midshipman fish, brooding a mass of eggs.
(typically with about or over) To dwell upon moodily and at length, mainly alone.
Example: He sat brooding about the upcoming battle, fearing the outcome.
To be bred.
noun
Definitions
A spell of brooding; the time when someone broods.
adjective
Definitions
(of a bird) Broody; incubating eggs by sitting on them.
Example: A brooding hen can be aggressive.
Deeply or seriously thoughtful.
Example: You like T. S. Eliot's "The Waste Land"? You must be so brooding and deep.