DAB (2)
Source: 566, 567
dab (2). Dab, n. a gentle blow, flat fish, artist
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Dab, n. [[Perh. so named from its quickness in diving beneath the sand. Cf. Dabchick.]] (Zoöl.) A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides.