\Ci*bo"ri*um\, n.: pl. {Ciboria}. [LL., fr. L. ciborium
a cup, fr. Gr. ? a seed vessel of the Egyptian bean; also, a
cup made from its largeleaves, or resembling its seed vessel
in shape.]
1. (Arch.) A canopy usually standing free and supported on
   four columns, covering the high altar, or, very rarely, a
   secondary altar.
2. (R. C. Ch.) The coffer or case in which the host is kept;
   the pyx.