breathe 1

the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation

air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

breathe easily again, as after exertion or anxiety

breathe with great difficulty, as when experiencing a strong emotion

breathe excessively hard and fast

breathe spasmodically, and make a sound

heave or utter a sigh; breathe deeply and heavily

undergo the biomedical and metabolic processes of respiration by taking up oxygen and producing carbon monoxide