ciborium /si-bōˈri-əm or -böˈ/

1. A vessel closely resembling a chalice, usu with an arched cover, in which the host is deposited (Christianity)
2. A free-standing structure consisting of a canopy supported on four pillars over the high altar (architecture)

• black snake
• black snakes
• black spot
• black spots
• Black Stone
• black stump
• black stumps
• black swan
• black swans
• black-tailed deer
• black tea
• blackthorn
• blackthorns
• black tie
• black ties
• blacktop
• blacktopped
• blacktopping
• blacktops
• black treacle
• black up
• bucku
• buck up
• buckus
• buck-wagon