Swab1, n.
(swŏb), n. [Spelt also swoob, from the root of sweep: Sw. svabb, sopa, Dan. svabert, Icel. sōpr, D. zwabber, Ger. schwabber.]
Sense 1. A mop for cleaning floors, the decks of vessels, and the like.
Sense 2. A bit of sponge, cloth, or the like, fastened to a handle for cleansing the mouth of the sick, or for giving them nourishment.
Sense 3. An epaulet. [Colloq.] Marryatt.
Sense 4. A cod or pod, as of beans, pease, or the like. [Obs.] Bailey.