graphiarium
grăphĭārĭum, ĭī, n. , étui pour mettre les styles : Mart. 14, 21, 1.
GRAPHIARIUM
GRAPHIA´RIUM[STILUS]
Graphiarium
(also graphiaria theca). A sheath or case for holding the graphium (q. v.) or stilus, used for writing on tablets (Mart.xiv. 20; Claud. 35). See writing and writing materials.