# lacuna

> English word · Noun · IPA /ləˈk(j)uː.nə/ · frequency rank #65,251

## Definitions
1. A small opening; a small pit or depression, especially in bone.
2. A small opening; a small pit or depression, especially in bone.
3. A small blank space; a gap or vacancy; a hiatus.
4. A small blank space; a gap or vacancy; a hiatus.
5. A small blank space; a gap or vacancy; a hiatus.
6. A small blank space; a gap or vacancy; a hiatus.

## Etymology
Learned borrowing from Latin lacūna (“a ditch, pit; a hollow, cavity; a gap, defect”). Doublet of lacune and lagoon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lacuna