To use a swab on something, or clean something with a swab.
A sailor; a swabby.
A naval officer's epaulet.
A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access.
A mop, especially on a ship.
A piece of material used for cleaning or sampling other items like musical instruments or guns.
A sample taken with a swab (piece of absorbent material).
To cleanse, as clothes, by treading upon them in water.
To tread upon forcibly and repeatedly; to trample.
To travel or wander through.
To hitchhike.
To walk with heavy footsteps.
To walk for a long time (usually through difficult terrain).
see Wikipedia:tramp steamer
A long walk, possibly of more than one day, in a scenic or wilderness area.
A disreputable, promiscuous woman; a slut.
Of objects, stray and intrusive and unwanted
A metal plate worn by diggers under the hollow of the foot to save the shoe.
A homeless person; a vagabond.
Any ship which does not have a fixed schedule or published ports of call.