SWAB
Source: 566, 567
swab|swob. Swab, or Swob, n. an ordinary mop, a bean shell
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Swab (?), v. t. [imp. & p. p. Swabbed (?); p. pr. & vb. n. Swabbing.] [[See Swabber, n.]] To clean with a mop or swab; to wipe when very wet, as after washing; as, to swab the desk of a ship. [Spelt also swob.]