dab 1 
(dăb)
(dăb)v. dabbed, dab·bing, dabs
v.tr.
1. To apply with short poking strokes: dabbed some paint on the worn spots.
2. To cover lightly with or as if with a moist substance: dabbed the back of the fabric with glue.
3.
a. To rub or pat (something) lightly: dabbed his eye with the corner of his sleeve.
b. To press (something) lightly against an object or surface: dabbed a napkin to her lips.
c. To remove or brush away with light strokes: dabbed the tears from the child's eyes.
v.intr.
To make light patting or stroking motions: dabbed at the wound with a piece of gauze.
n.
1. A small amount: a dab of jelly.
2. A quick light pat.
[Middle English dabben, to strike.]