Definitions
1.nounA 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.
2.nounA sample taken with a swab (piece of absorbent material).
3.nounA piece of material used for cleaning or sampling other items like musical instruments or guns.
4.nounA mop, especially on a ship.
5.nounA sailor; a swabby.
6.nounA naval officer's epaulet.
7.verbTo use a swab on something, or clean something with a swab."swab the deck of a ship"