noun, plural ar·mar·i·a [ahr-mair-ee-uh] /ɑrˈmɛər i ə/.
Origin of armarium
Examples from the Web for armarium
I have placed the armarium at the end of the room, opposite the window.
As he had charge of the armarium or press for storing books, he was also sometimes styled armarius.Old English Libraries|Ernest Savage
"Armarium" was to called because it was originally a place for keeping arms.The Captiva and The Mostellaria|Plautus
They would take the armarium that was in daily use, and adapt it to their own purposes.