la·cu·nar
(lə-kyo͞o′nər)n.1. A ceiling constructed with recessed panels.
2. pl. lac·u·nar·i·a (lăk′yə-nâr′ē-ə) A recessed panel in such a ceiling.
[Latin lacūnar, from lacūna, hole; see lagoon.]
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.
lacunar
(ləˈkjuːnə) n,
pl lacunars or lacunaria (
ˌlækjʊˈnɛərɪə)
1. (Architecture) Also called: lequear a ceiling, soffit, or vault having coffers
2. (Architecture) another name for
coffer3 adj3. of, relating to, or containing a lacuna or lacunas
4. (Architecture) of, relating to, or containing a lacuna or lacunas
5. (Biology) of, relating to, or containing a lacuna or lacunas
6. (Printing, Lithography & Bookbinding) of, relating to, or containing a lacuna or lacunas
[C17: from Latin lacūnar panelled ceiling, from lacūna cavity; see lacuna]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014