1) Architectural element
Found on
https://www.crosswordclues.com/clue/tholobate
A tholobate or drum, in architecture, is the upright part of a building on which a dome is raised. It is generally in the shape of a cylinder or a polygonal prism. In the earlier Byzantine churches, the dome rested direct on the pendentives and the windows were pierced in the dome itself; in later examples, between the pendentive and the dome an i...
Found on
http://en.wikipedia.org/wiki/Tholobate
circular substructure on which a dome rests
Found on
http://phrontistery.info/t.html
No exact match found.
