GNU Collaborative International Dictionary of English

Found 4 definitions 

  1.       

    Dab , 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.
    Goldsmith.

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  2.       

    Dab, n. [Perh. so named from its quickness in diving beneath the sand. Cf. Dabchick.] (Zool.) A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides.
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  3.       

    Dab , v. i. [imp. & p. p. Dabbed ; 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.
      S. Sharp.

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    2. To strike by a thrust; to hit with a sudden blow or thrust. “To dab him in the neck.”
      Sir T. More.

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  4.       

    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.
      Hawthorne.

      1913 Webster
    2. A small mass of anything soft or moist.
      1913 Webster