1. A small cavity, gap, or missing part in a structure or text; a hiatus.
Usage: Formal or technical usage; Often used in anatomy, geology, or literary criticism

Examples

• The manuscript contained several lacunes where pages had been lost over centuries.
• Geologists identified small lacunes in the rock formation.
• There is a lacune in our understanding of how the ancient civilization disappeared.
• The bone tissue showed microscopic lacunes where cells had once resided.
• The historian noted a significant lacune in the historical record during that period.