1. SYN: litter (2). 2. To ponder anxiously; to meditate morbidly.
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brood 'brüd n the young of an animal or a family of young esp the young (as of a bird or insect) hatched or cared for at one time
brood vt
1 a) to sit on or incubate (eggs)
b) to produce by or as if by incubation
2) to think anxiously or gloomily about vi
1) of a bird to brood eggs or young
2 a) to dwell gloomily on a subject
b) to be in a state of depression
Medical dictionary. 2011.