Source : Webster's Revised Unabridged Dictionary (1913)

Swob \Swob\, n. & v.
   See {Swab}.

Source : WordNet®

swob
     n : cleaning implement consisting of absorbent material fastened
         to a handle; for cleaning floors [syn: {swab}, {mop}]
     v 1: wash with a swab or a mop; "swab the ship's decks" [syn: {swab}]
     2: apply (usually a liquid) to a surface; "dab the wall with
        paint" [syn: {dab}, {swab}]