<p><strong>Noun</strong></p><ul><li>a number of young produced or hatched at one time; a family of offspring or young.</li><li>a breed, species, group, or kind: The museum exhibited a brood of monumental sculptures.</li><li>Synonyms: strain, stock, line</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to sit upon (eggs) to hatch, as a bird; incubate.</li><li>(of a bird) to warm, protect, or cover (young) with the wings or body.</li><li>to think or worry persistently or moodily about; ponder: He brooded the problem.</li></ul><p><strong>Adjective</strong></p><ul><li>kept for breeding: a brood hen.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to sit upon eggs to be hatched, as a bird.</li><li>to dwell on a subject or to meditate with morbid persistence (usually followed by over or on).</li></ul><p><strong>Verb Phrase</strong></p><ul><li>to cover, loom, or seem to fill the atmosphere or scene: The haunted house on the hill brooded above the village.</li></ul>