(particularly anatomy) A small opening; a small pit or depression, especially in bone. / (microscopy) A space visible between cells, allowing free passage of light.

plural of lacuna

plural of lacuna

(chiefly mathematics) Of, pertaining to, or having characteristics of a lacuna.

of or pertaining to a lacuna, like a lacuna

(medicine) Of or pertaining to a lacuna

(architecture) A sunken panel or coffer in a ceiling or a soffit. / (architecture) A ceiling containing panels of this kind.

plural of lacunar

Having lacunae or gaps

plural of lacunarity