A / armāriŏlum
noun

armāriŏlum

gen. armāriŏli · gender neuter · decl. 2nd
dim. armarium
a little chest; casket; A small cabinet
a little chest, or casket (ante- and post-class.): armariola Graeca, Plaut. Truc. 1, 1, 35.—A small cabinet, a bookcase, Sid. Ep. 8, 16; Hier. ad Matth. 3, 21.