Cĭ-bō’rĭ-ŭm, n.

noun

n.; pl. CĬ-BŌ’RĬ-A. [Lat. ciborium, Gr. κιβώριον, a drinking-cup made from the large leaves of the Egyptian bean, or resembling its seed-vessel; in L. Lat. also an arched chamber, supported by four pillars, shut in like a ciborium; It. ciborio, Pr. cibori, Fr. ciboire, O. Fr. chiboire, Sp. & Pg. cimborio.]

Sense 1. (Arch.) An insulated, arched vault, resting on four pillars, as that over the high altar in a church.

Sense 2. (Rom. Cath. Church.) The coffer or case containing the host, or sacred wafer. Gwill.