It can also refer to:
* A gap in a person's memory
* An unfilled space or void
* A defect or flaw
The word "lacuna" comes from the Latin word "lacuna", which means "ditch" or "hollow".
Here are some examples of how "lacuna" can be used:
* "The historian discovered a lacuna in the ancient manuscript."
* "The missing evidence left a lacuna in the detective's understanding of the crime."
* "The author used a lacuna in the story to create suspense."
* "The patient suffered from a lacuna in their memory after the accident."