3. (verb)swab, swob wash with a swab or a mop "swab the ship's decks"
4. (verb)dab, swab, swob apply (usually a liquid) to a surface "dab the wall with paint"
Definition of 'Swab'
Webster Dictionary
1. (noun)Swab to clean with a mop or swab; to wipe when very wet, as after washing; as, to swab the desk of a ship
2. (noun)Swab a kind of mop for cleaning floors, the desks of vessels, etc., esp. one made of rope-yarns or threads
3. (noun)Swab a bit of sponge, cloth, or the like, fastened to a handle, for cleansing the mouth of a sick person, applying medicaments to deep-seated parts, etc