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lacunar

American  
[luh-kyoo-ner] / ləˈkyu nər /

noun

plural

lacunars, lacunaria
  1. Architecture.

    1. a coffered vault, ceiling, or soffit.

    2. coffer.


adjective

  1. lacunal.

lacunar British  
/ ləˈkjuːnə /

noun

  1. Also called: lequear.  a ceiling, soffit, or vault having coffers

  2. another name for coffer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of, relating to, or containing a lacuna or lacunas

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lacunar

First recorded in 1690–1700; lacun(a) + -ar 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers did not find any connection between gum disease and two other types of brain changes associated with small vessel disease: cerebral microbleeds and lacunar infarcts.

From Science Daily • Oct. 29, 2025

I would like to emphasize one of the newer features of the pathologic anatomy of glaucoma, one which has received too little attention in this country: the lacunar or cavernous atrophy of the optic nerve.

From Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913 by Nance, Willis O.

There are no lacunar blood spaces with ill-defined or absent walls except for a sinus surrounding the intestine, which is at least frequently present.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

He said "They were heartily welcome to his poor cottage," and turning to Mr Didapper, cried out, "Non mea renidet in domo lacunar."

From Joseph Andrews, Volume 2 by Fielding, Henry

As Prof. Nettleship has pointed out, this seems to indicate that there are two words, laquear from laqueus, meaning chain or network, and lacuar or lacunar from lacus, meaning sunk work.

From The Aeneid of Virgil by Virgil