[f. med.L. armāri-us = custos bibliothēcæ Du Cange (f. med.L. armāria: see ARMARY) + -AN.] See quot. (App. never used in Eng.)
1849. Chamb. Jrnl., No. 276, 239. Armarian, an officer in the monastic libraries who had charge of the books to prevent them from being injured by insects, and especially to look after bindings. He had also to keep a correct catalogue.
