Wiktionary
a. (alternative form of deep-breathing English) (attributive of deep breathing English) alt. (alternative form of deep-breathing English) (attributive of deep breathing English) n. (alternative name of diaphragmatic breathing English)
Usage examples of "deep breathing".
There was more rattlingpaper being smoothed out and the gratifying sound of deep breathing.
The colonel, still motionless save for his deep breathing, whispered something in his ear, whereupon the little man clapped his hands and everyone rose.
He was my height and heavier and all muscle and he could kill me in an even match but I didn't think it was even because they're exceptionally fussy at Norfolk: they don't send you into the field unless you can take on a tank and get the tracks off without a lot of deep breathing.
It was don Juan Matus's belief that many of the health problems of modern man could be easily corrected by deep breathing.