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swab

nounverbattested in dialogue

  • //swɒb//

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.

noun

  1. 1

    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.

  2. 2

    A sample taken with a swab (piece of absorbent material).

  3. 3

    A piece of material used for cleaning or sampling other items like musical instruments or guns.

  4. 4

    A mop, especially on a ship.

  5. 5

    slangA sailor; a swabby.

    As for that swab, he's good and dead, he is.

  6. 6

    slangA naval officer's epaulet.

Etymology

Mid 17th century (in the sense 'mop for cleaning the decks'): back-formation from Middle English swabber (“sailor detailed to swab decks”), from Middle Dutch zwabber, from a Germanic base meaning 'splash' or 'sway', also found as nautical German Schwabber and Volga German Schwabber ("scrubber, mop, swab")

verb

  1. 1

    To use a swab on something, or clean something with a swab.

    swab the deck of a ship

    He had one hand on the bounce bottle—and he'd never let go of that since he got back to the table—but he had a handkerchief in the other and was swabbing his deadlights with it.

Forms

plural
swabs
past tense
swabbed
past participle
swabbed
present participle
swabbing
third person singular
swabs
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).