noun a small mass of anything soft or moist.
2. dab ·noun a skillful hand; a dabster; an expert.
3. dab ·vi to strike by a thrust; to hit with a sudden blow or thrust.
4. dab ·noun a gentle blow with the hand or some soft substance; a sudden blow or hit; a peck.
5. dab ·vi to strike or touch gently, as with a soft or moist substance; to tap; hence, to besmear with a dabber.
6. dab ·noun a name given to several species of flounders, ·esp. to the european species, pleuronectes limanda. the american rough dab is hippoglossoides platessoides.