D defs.my
Entry 1 sense Webster, 1913

Opisthodome

· O·pis·tho·dome · IPA
01 n. A back chamber; especially, that part of the naos, or cella, farthest from the main entrance, sometimes having an entrance of its own, and …
  1. 1.
    A back chamber; especially, that part of the naos, or cella, farthest from the main entrance, sometimes having an entrance of its own, and often used as a treasury.(Arch.)