1. Plural of lacuna; gaps, spaces, or missing parts in a text, series, or sequence.
Usage: Most common sense in academic and literary contexts
2. Small cavities, pits, or spaces in bone, tissue, or other structures.
Usage: anatomy, biology

Examples

• The manuscript contained several lacunas where pages had been lost over centuries.
• There are significant lacunas in our understanding of prehistoric migration patterns.
• The historian noted lacunas in the historical record that made it difficult to piece together the full story.
• In bone tissue, lacunas are small spaces occupied by osteocytes.
• The editor filled in the lacunas with bracketed notes to clarify the text.
• Despite extensive research, lacunas remain in our knowledge of ancient trade routes.