n. | 1. | The young birds hatched at one time; a hatch; as, a brood of chickens. |
| 2. | 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. |
| 3. | That which is bred or produced; breed; species. |
| 4. | (Mining) Heavy waste in tin and copper ores. |
a. | 1. | Sitting or inclined to sit on eggs. |
| 2. | Kept for breeding from; as, a brood mare; brood stock; having young; as, a brood sow. |
v. i. | 1. | To sit on and cover eggs, as a fowl, for the purpose of warming them and hatching the young; or to sit over and cover young, as a hen her chickens, in order to warm and protect them; hence, to sit quietly, as if brooding. |
| 2. | 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. |
v. t. | 1. | To sit over, cover, and cherish; as, a hen broods her chickens. |
| 2. | To cherish with care. |
| 3. | To think anxiously or moodily upon. |