Lewis & Short

văpōrĭfer, ĕra, ĕrum, adj. [vapor-fero], emitting steam, full of vapors or exhalations, vaporous (poet.): fornaces, Stat. S. 1, 3, 45: Baiae, id. ib. 3, 5, 96: specus, Schol. Juv. 9, 57.