Wipe (3)
(Other definitions for dab that I've seen before include "A small fish - bad one" , "Small North Atlantic flatfish" , "Expert; flat fish" , "Expert; light touch" , "Digital radio" .)
(Other definitions for mop that I've seen before include "Wet cleaner" , "Shock of hair; soak (up)" , "A thick mass of hair on head" , "Instrument for cleaning" , "Implement for washing floor" .)