swob

(noun) cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors. Synonyms: swab, mop.

(verb) wash with a swab or a mop. Synonyms: swab. Example: "Swab the ship's decks."

(verb) apply (usually a liquid) to a surface. Synonyms: dab, swab. Example: "Dab the wall with paint."