Definitions
1.nounA small opening; a small pit or depression.
2.nounA small blank space; a gap or vacancy; a hiatus.
3.nounAn absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar."Long lacunae in this inscription make interpretation difficult."
4.nounAny gap, break, hole, or lack in a set of things; something missing.
5.nounA space visible between cells, allowing free passage of light.
6.nounA language gap, which occurs when there is no direct translation in the target language for a lexical term found in the source language.