noun. An empty space or a missing part; a gap.

noun. A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.

noun. A pit or hollow.

noun. A gap; a hiatus; especially, a vacancy caused by the omission, loss, or obliteration of something necessary to continuity or completeness.

noun. In conchology, the typical genus of Lacunidæ.

noun. A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.

noun. A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

noun. A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.

noun. An absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar.

noun. A space visible between cells, allowing free passage of light.

noun. A language gap, which occurs when there is no direct translation in the target language for a lexical term found in the source language

noun. a blank gap or missing part

noun. an ornamental sunken panel in a ceiling or dome

"This lacuna is conspicuous when compared to the extensive comparative literature on similar welfare institutions in the advanced industrialized economies of Western Europe and North America."

lacunae of howship  lacunæ of bone  

lacunal  lacunary  

crack  gap  panel  

agoe  allude  archenemy  blowing-up  country  

alveolation  alveolus  antrum  aperture  armpit  

lacunae