tholobaten.
/ˈθɒləbeɪt/ Architecture.
(See quots.)
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society > leisure > the arts > visual arts > architecture > arch > [noun] > dome or cupola > supporting structure
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tholobate1831
1831 Hosking in Encycl. Brit. I. 471/1 Tholobate,..that on which a dome or cupola rests... A term not in general use... What is generally termed the attic above the peristyle and under the cupola of St. Paul's, would be correctly designated the tholobate. A tholobate of a different description..is the circular substructure to the cupola of the London University.
1838 J. Britton Dict. Archit. & Archæol. 457.
1840 J. H. Parker Gloss. Terms Archit. (ed. 3) 210 Tholobate, the substructure on which a dome or cupola rests.
This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2018).
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n.1831