The young birds hatched at one time; a hatch; as, a brood of chickens.

The young from the same dam, whether produced at the same time or not; young children of the same mother, especially if nearly of the same age; offspring; progeny; as, a woman with a brood of children.

Sitting or inclined to sit on eggs.

Kept for breeding from; as, a brood mare; brood stock; having young; as, a brood sow.

To have the mind dwell continuously or moodily on a subject; to think long and anxiously; to be in a state of gloomy, serious thought; -- usually followed by over or on; as, to brood over misfortunes.

To think anxiously or moodily upon.

think moodily or anxiously about something

A group of vampires gathered around a leader (usually their sire). A brood may in time become a clan(qv).

a group or age class of periodical cicadas that emerge in the same area during the same year

A group of vampires gathered around a single leader.

The year when the adults, producing the progeny tagged, returned to spawn. If more than one brood present, as in some wild stock tagging projects, the year reported is the dominant or first brood year.

Adult fish used for spawning.

A family of fish, a little older than fry but not yet considered adolescent fish.