carbonarius
From LSJ
Latin > English (Lewis & Short)
carbōnārĭus: a, um, adj. 1. carbo,
I of or relating to charcoal: negotium, traffic in charcoal, Aur. Vict. Vir. Ill. 72.—
II Subst.
A carbōnārĭus, i, m., a burner of charcoal, a collier, Plaut. Cas. 2, 8, 2; Inscr. Orell. 4302.—
B carbōnārĭa, ae, f.
1 (Sc. fornax.) A furnace for charcoal, Tert. Car. Christ. 6.—
2 (Sc. femina.) The Charcoal-Woman, the title of a lost play by Plautus, Fest. p. 30, 27 Müll.