Coriarius, rij, m. g. Plin. A tanner. Coriarius. Frutex est rhuis herbæ. Plin. An hearbe that men vsed to tanne leather with.
Lewis and Short: Latin dictionary
cŏrĭārĭus, a, um, adj. [corium], of or pertaining to leather frutex, i. e. useful fortanning leather, Plin. 24, 11, 54, 91.— Hence, II.Subst.: cŏrĭārĭus, ii, m., a tanner, currier, Plin. 17, 9, 6, 51; Inscr. Orell. 4074 al.