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Definition of swab

swab

/swɑːb/
swab

Plural:swabs
•
Past Simple:swabbed
•
Past Participle:swabbed
•
Present Participle:swabbing
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swab Lexical Profile

swab Game Scores & Validity

• noun

1

A small piece of soft material, such as cotton, attached to the end of a stick or wire, used for cleaning, applying medication, or taking biological specimens.

Example

"The nurse used a sterile cotton swab to clean the wound before applying the bandage."


2

A specimen of bodily fluid or cellular material taken with a soft applicator for medical testing or diagnostic examination.

Example

"The laboratory rushed the nasal swab to check for the presence of the virus."


3

A large mop or absorbent pad used for cleaning floors, especially the decks of a ship.

Example

"The sailor grabbed a heavy swab and began scrubbing the wooden deck to remove the sea salt."

Synonyms
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• verb

1

To collect a biological specimen from a person or surface using a specialized soft applicator.

Example

"The technician will swab your throat to test for a bacterial infection."


2

To clean, wipe, or absorb something using a mop or a small pad of soft material.

Example

"He was ordered to swab the deck until it gleamed."

Synonyms
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• Rhymes for swab

Word Origin & Etymology

Mid 17th century: from Dutch 'zwabber', denoting a sailor who cleans the decks, from 'zwabberen' meaning 'to splash or trail in water'. Originally referring to a mop used on ship decks, the term later evolved to describe small medical or cleaning pads.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Swab. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/swab
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