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Noun: lacunar  lu'k(y)oo-nu(r)
  1. An ornamental sunken panel in a ceiling or dome
    - coffer, caisson
  2. One of the sunken panels in such a ceiling
  3. The ceiling or under surface of any part, especially when it consists of compartments, sunk or hollowed without spaces or bands between the panels
Adjective: lacunar  lu'k(y)oo-nu(r)
  1. Pertaining to, or having, lacunae
    "a lacunar circulation"

Derived forms: lacunars

Type of: panel

Encyclopedia: Lacunar