fumarole
fu.ma.role \'fyu:-m*-.ro-l\ \.fyu:-m*-'ro--lik, -'ra:l-ik\ n [It fumarola, modif. of LL fumariolum, fr. L fumarium smoke c]hamber for aging wine, fr. fumus : a hole in a volcanic region from which hot gases and vapors issue - fu.ma.rol.ic aj