lacunanounfeminine/lɐˈkunɐ/mediumla·cu·naPortuguesEnglishEspanolFrancaisDefinitionAn empty space or omission; gap, hiatus.There is a lacuna in the historical record for that period.The treaty had several lacunae that needed to be addressed.syngaphiatusomissionEtymologyDo latim 'lacuna, -ae'.Related wordslacunarlacunosolacuna legallacuna de memória