urnarium

From urna +‎ -arium.

urnārium n (genitive urnāriī or urnārī); second declension

1. A table on which water-vessels were set.
2. an urn-table.

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

• “urnarium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• urnarium in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• urnarium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.