n.1. a. The act or process of breathing; respiration: swam down to the reef, holding his breath.
b. A single act of breathing: Take a deep breath.
2. a. The air inhaled and exhaled in respiration: as long as there is breath in my lungs.
b. Air that is exhaled, as evidenced by vapor or odor: It's so cold you can see your breath.
3. The capacity to breathe, especially in a natural and unlabored manner: suffering from shortness of breath.
4. Spirit or vitality: colors that lend breath to his paintings.
5. A momentary pause or rest: If I could have a breath before I go on.
6. A momentary stirring of air: Not a breath of air stirred the leaves.
7. A softly spoken sound; a whisper: There was hardly a breath of protest.
8. Linguistics Exhalation of air without vibration of the vocal cords, as in the articulation of p and s.