lacunae lacuna • lacunal · · · Info · Definitions · Synonyms · Characters · · lacunae · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a blank gap or missing part. Synonyms: lacuna, blank. · · Noun Definition 1 (noun) an ornamental sunken panel in a ceiling or dome. Synonyms: coffer, caisson, lacuna. · · Noun Definition 2 Synonyms · · · lacuna · · Synonym 1 blank · · Synonym 2 coffer · · Synonym 3 caisson · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E u latin small letter u U+0075