Dab

1. n. A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides.
2. n. A skillful hand; a dabster; an expert.
3. v. i. To strike by a thrust; to hit with a sudden blow or thrust.
4. n. A gentle blow with the hand or some soft substance; a sudden blow or hit; a peck.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.