Bible Dictionaries
Ciborium

Webster's Dictionary

(1):

(n.) The coffer or case in which the host is kept; the pyx.

(2):

(n.) A canopy usually standing free and supported on four columns, covering the high altar, or, very rarely, a secondary altar.

Bibliography Information
Webster, Noah. Entry for 'Ciborium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/ciborium.html. 1828.