swab
swab /sw'ɒb/ (swabs swabbing swabbed)
1 [N-COUNT]
A swab is a small piece of cotton wool used by a doctor or nurse for cleaning a wound or putting a substance on it.
2 [VERB] V n
If you swab something, you clean it using a wet cloth or a tool called a mop.
I noticed a lone man in the cafeteria swabbing the floor as I passed.
1 [N-COUNT]
A swab is a small piece of cotton wool used by a doctor or nurse for cleaning a wound or putting a substance on it.
2 [VERB] V n
If you swab something, you clean it using a wet cloth or a tool called a mop.
I noticed a lone man in the cafeteria swabbing the floor as I passed.