BREATH n.
The air inhaled and exhaled in respiration, air which, in the process of respiration, has parted with oxygen and has received carbonic acid, aqueous vapor, warmth, etc. Melted as breath into the wind. Shak.
SIGH v.
To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, or the like.
VAPOR n.
A medicinal agent designed for administration in the form of inhaled vapor. Brit. Pharm. Vapor bath. (a) A bath in vapor; the application of vapor to the body, or part of it, in a close place; also, the place itself. (b) (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, prec…