exhaling

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ex·hale

E0274200 (ĕks-hāl′, ĕk-sāl′)v. ex·haled, ex·hal·ing, ex·hales v.intr.1. a. To breathe out.b. To emit air or vapor.2. To be given off or emitted.v.tr.1. To blow (something) forth or breathe (something) out.2. To give off; emit: chimneys exhaling dense smoke.
[Middle English exalen, from Latin exhālāre : ex-, ex- + hālāre, to breathe.]