Dab

1. (n.) A skillful hand; a dabster; an expert.
2. (n.) A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides.
3. (v. i.) To strike or touch gently, as with a soft or moist substance; to tap; hence, to besmear with a dabber.
4. (v. i.) To strike by a thrust; to hit with a sudden blow or thrust.
5. (n.) A gentle blow with the hand or some soft substance; a sudden blow or hit; a peck.
6. (n.) A small mass of anything soft or moist.