A gap or missing part, especially in a manuscript, text, or series. The historian found a significant lacuna in the ancient manuscript, which made it difficult to understand the full context.
An unfilled space or interval; a gap. The artist intentionally left a lacuna in the painting to allow viewers to interpret the missing elements.
A cavity or depression, especially in bone. The X-ray revealed a lacuna in the patient's bone, which required further medical investigation.
A gap or missing provision in a law, legal system, or legal document. The court acknowledged a lacuna in the legislation that required parliamentary attention.