noun. Eccles., any vessel or receptacle used to contain sacred objects.

noun. pyx (container for the host)

"He allowed the Apostle to live near the imperial palace in what was known as custodia militaris, his right wrist being connected day and night, by means of a chain, to the left arm of a soldier, who was relieved at regular intervals (Conybeare, Howson, Lewin)."

commixtione  corporeae  elegantiam  fida  interminabilis