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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.

This type of disease can appear on imaging as white matter hyperintensities, cerebral microbleeds, or lacunar infarcts, all of which become more common with aging and are tied to stroke risk, memory problems, and movement difficulties.

From Science Daily

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

According to Cytowic, "It is true that individuals who have balance and gait issues similar to those observed in Trump can have degenerative brain disease in the frontal lobes, such as fronto-temporal dementia or Pick's Disease. Other possibilities are normal pressure hydrocephalus, sensory ataxia, peripheral neuropathy, small lacunar strokes in the basal ganglia, supranuclear palsy, the effects of too many medications, and Parkinson's Disease, which can begin on one side and also show early cognitive impairment."

From Salon

An M.R.I. showed nothing, except some other things, which had nothing to do with concussions or my symptoms, and which I’d probably have preferred not to know about: White matter intensity is generally preserved, however a solitary probable chronic lacunar infarction is present in the right caudate head, and trace probable microangiopathy is present in the parietal region on the left.

From The New Yorker

The stroke had occurred deep in the right side of his brain, in an area called the thalamus – a thalamic or lacunar stroke, in medical jargon.

From The Guardian