lacuna
Word family adjectivelacunallacunarylacunosenounlacunarlacuna
la·cu·na /ləˈkuːnə/ noun (plural lacunae /-niː/ or lacunas) [countableC] formal TCNa place where something is missing in a piece of writing 〔文章中的〕脱漏,缺漏 SYN gap Origin lacuna (1600-1700) Latin “pool, hole in the ground, empty space”