lacunar

/ləˈkjuːnər/
adjective
  1. Relating to or having a gap, missing part, or cavity (same meaning as lacunal).
    • The tissue sample showed lacunar patterns typical of healthy cartilage.
    • The lacunar spaces in the sponge's skeleton allow water to flow through.
    • The archaeologist described the lacunar gaps in the ancient wall as evidence of decay.
noun
  1. A sunken panel in a ceiling or soffit, often decorative.
    • The architect designed a series of lacunars to add depth to the lobby.
    • The Renaissance palace had a ceiling decorated with ornate lacunars.
    • Each lacunar in the cathedral ceiling was painted with a biblical scene.
Synonyms
What does "lacunar" mean? | whatsthatwordmean | whatsthatwordmean