Ex′ha‐la″tion (?), n. [L. exhalatio: cf. F. exhalaison, exhalation.] 1. The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.
2. That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc.
Ye mists and exhalations, that now rise
From hill or steaming lake. Milton.
3. A bright phenomenon; a meteor.
I shall fall
Like a bright exhalation in the evening. Shak.