offertorium

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

offertōrĭum (obf-). ii, n. [offero],

a place to which offerings were brought , an offertory (eccl. Lat.): offertorium tali ex causā sumpsit vocabulum. Fertum enim dicitur oblatio, quae altari offertur, et sacrificatur a pontificibus, a quo offertorium nomina tur, quasi propter fertum, Isid. Orig. 6, 19.