Emily Dickinson Lexicon

SWAB, n. [Sax. swebban, to sweep; formed perhaps on the root of wipe, as G. schweben, to wave or soar, is on that of wave, and D. zweepen, on that of whip.]

1. A mop for cleaning floors; on board of ships, a large mop or bunch of old rope yarn, used to clean the deck and cabin.
2. A bit of spunge fastened to a handle for cleansing the mouth of the sick, or for giving them nourishment. – Miner.