paten
The plate used to hold the host during the Eucharist.
He longed […] to stand aloof from the altar, forgotten by the people, his shoulders covered with a humeral veil, holding the paten within its folds […].
Any shallow dish found in an archaeological site.
Where it comes from
From Middle English patene, from Old French patene, from Latin patina, from Ancient Greek πατάνη (patánē). Doublet of patina, patine, and patena.
Adapted from the Wiktionary entry paten (CC BY-SA 4.0).