Definition of “swab” - English Dictionary

“swab” in British English

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swabnoun [ C ]

uk /swɒb/ us /swɑːb/

swabverb [ T ]

uk /swɒb/ us /swɑːb/ -bb-

(Definition of “swab” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“swab” in American English

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swabnoun [ C ]

us /swɑb/

a small piece of soft material at the end of a thin stick, used esp. for cleaning something or for putting on medicine:

a cotton swab

(Definition of “swab” from the Cambridge Academic Content Dictionary © Cambridge University Press)