What is the X in X-mas?
breathing breath·ing (brē'ðĭng)
The alternate inhalation and exhalation of air in respiration.
Alive, at least: They'll take any warm body that's breathing (1970s+)Related Terms
the action of moving air or water across the surface of a respiratory structure, such as a gill or lung, to facilitate respiration (the exchange of oxygen and carbon dioxide with the environment). See respiration.