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.