semidome


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sem·i·dome

 (sĕm′ē-dōm′, sĕm′ī-)
n.
A roof covering a semicircular space; half a dome.

sem′i·domed′ (-dōmd′) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

semidome

(ˈsɛmɪˌdəʊm)
n
(Architecture) a half-dome, esp one used to cover a semicircular apse
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The Relying place of semidome that is similar to two-shell Seljuk dome is firmly attached to the Bedchambers.
With light coming down from the centre, this dramatic semidome is reminiscent of the oval roof of Leeds Corn Exchange by Cuthbert Brodrick (1821-1905) another spectacular Victorian structure--except that, in the centre, the ribs rise from the floor to spread out like a tree.