The meaning of SWAB is mop; especially : a yarn mop. How to use swab in a sentence.

SWAB meaning: 1 : a small piece of soft material sometimes on the end of a small stick that is used for applying medicine, cleaning a wound, etc.; 2 : a small amount of material taken with a …

swab definition: 1. a small piece of soft material used for cleaning a cut or for taking a small amount of substance…. Learn more.

Nov 1, 2025 · swab (plural swabs) (medicine) A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached …

A swab is a small piece of cotton wool used by a doctor or nurse for cleaning a wound, putting a substance on it, or taking a specimen.

Definition of swab noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A swab is a piece of absorbent material on a stick, like a mop, but it can also be small, like a cotton swab used for cleaning ears. As a verb, to swab means to use a swab.