Dab (noun)

1. A light touch or tap, typically one made with a soft object.
2. A small amount of a wet or sticky substance applied or left on a surface.
3. A small flatfish that typically lives in shallow water.

Origin:

Late 16th century: perhaps from a low german word meaning "a gentle blow".

Examples:

1. She gave the painting a dab of paint.
2. He wiped the stain with a dab of cleaning solution.
3. She put a dab of perfume behind her ears.
4. He caught a dab while fishing.
5. She gave the child a dab on the nose.