Lewis & Short

hālĭto, āre, v. freq. a. [halo], to breathe out: flammam halitantes, Enn. ap. Diom. p. 336 P. (Trag. v. 217 Vahl.).
So perh. also: Scio spiritum ejus majorem esse multo quam folles taurini halitant, Plaut. Fragm. Bacch.; cf. Ritschl in Rhein. Mus. 1846, p. 580.