Meaning of “breathe” - Learner’s Dictionary

breathe

verb [ I, T ] us uk /briːð/

B1 to take air into and out of your lungs:

breathe in/out
breathe deeply
Doctors gave him oxygen to help him breathe.
→ See also be breathing down sb's neck , not breathe a word

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(Definition of “breathe” from the Cambridge Learner’s Dictionary © Cambridge University Press)