BRAT
Source: 566, 567
brat. Brat, n. a child, (by way of comtempt), an offspring
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Brat (brăt), n. [[OE. bratt coarse garnment, AS. bratt cloak, fr. the Celtic; cf. W. brat clout, rag, Gael. brat cloak, apron, rag, Ir. brat cloak; properly then, a child's bib or clout; hence, a child.]] 1. 1. A coarse garment or cloak; also, coarse clothing, in general. Chaucer.
2. 2. A coarse kind of apron for keeping the clothes clean; a bib. Wright.
3. 3. A child; an offspring; — formerly used in a good sense, but now usually in a contemptuous sense. “This brat is none of mine.” Shak. “A beggar's brat.” Swift.
O Israel! O household of the Lord! O Abraham's brats! O brood of blessed seed! Gascoigne. 4. 4. The young of an animal. L'Estrange.