frunitorium Save DMLBS Du Cange frunitorium , tannery. ~ium, a tanhous WW; a barkhouse, ~ium, cerdonarium CathA. FRUNITORIUM, Coriarii officina. Glossar. Lat. Gall. ex Cod. reg. 521 : Frunitorium, Tennerie, molin à ten. A