[1] : The Collaborative International Dictionary of English v.0.48

lacunal \lacu"nal\ l.ak=u"nal, lacunar \lacu"nar\
   l.ak=u"n~er, a.
   pertaining to, or having, lacunae; as, a lacunar
   circulation.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

lacunar \lacu"nar\, n.; pl. e. lacunars
   l.ak=u"n~erz, l. lacunaria
   la^k`-un=a"ri^.a. l. arch.
   a the ceiling or under surface of any part, especially when
       it consists of compartments, sunk or hollowed without
       spaces or bands between the panels. --gwilt
   b one of the sunken panels in such a ceiling.
       1913 webster
see also:
lacunars lacunaria 

Lacunar >> L Words
Lacunar, definition of term: Lacunar
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