Emily Dickinson Lexicon

SMOKE, n. [Sax. smoca, smec, smic; G. schmauch; D. smook; W. ysmwg, from mwg, smoke; Ir. much; allied to muggy, and I think it allied to the Gr. σμυχω, to consume slowly, to waste.]

1. The exhalation, visible vapor or substance that escapes or is expelled in combustion from the substance burning. It is particularly applied to the volatile matter expelled from vegetable matter, or wood coal, peat, &c. The matter expelled from metallic substances is more generally called fume, fumes.
2. Vapor; watery exhalations.