Dab (dăb), n. [Perh. corrupted fr. adept.] A skillful hand; a dabster; an expert. [Colloq.][1913 Webster]
One excels at a plan or the titlepage, another works away at the body of the book, and the third is a dab at an index.
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.[1913 Webster]
Dab (dăb), v. i. [imp. & p. p. Dabbed (dăbd); p. pr. & vb. n. Dabbing.] [OE. dabben to strice; akin to OD. dabben to pinch, knead, fumble, dabble, and perh. to G. tappen to grope.] 1. To strike or touch gently, as with a soft or moist substance; to tap; hence, to besmear with a dabber.[1913 Webster]
A sore should . . . be wiped . . . only by dabbing it over with fine lint.
2. To strike by a thrust; to hit with a sudden blow or thrust. “To dab him in the neck.” Sir T. More.[1913 Webster]
Dab (?), n. 1. A gentle blow with the hand or some soft substance; a sudden blow or hit; a peck.[1913 Webster]
A scratch of her claw, a dab of her beak.
2. A small mass of anything soft or moist.[1913 Webster]