Swab has 7 different meanings across 3 categories:
Noun · Verb · Proper Noun
implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a specimen of a secretion
cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
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.
wash with a swab or a mop
"swab the ship's decks"
apply (usually a liquid) to a surface
"dab the wall with paint"
To use a swab on something, or clean something with a swab.
A surname.