Definitions
1.verbTo expel air from the lungs through the nose or mouth by action of the diaphragm, to breathe out.
2.verbTo expel (something, such as tobacco smoke) from the lungs by action of the diaphragm.
3.verbTo pass off in the form of vapour; to emerge.
4.verbTo emit (a vapour, an odour, etc.)."The earth exhales vapor; marshes exhale noxious effluvia."
5.verbTo draw out; to cause to be emitted in vapour."The sun exhales the moisture of the earth."