- The definition of a lacuna is a space where something is missing.
An example of a lacuna is the gap left between two teeth when a tooth falls out.
The gap where the missing tooth was is a lacuna.Licensed from iStockPhoto
- a space where something has been omitted or has come out; gap; hiatus; esp., a missing portion in a manuscript, text, etc.
- Anat., Biol. a space, cavity, or depression; specif., any of the very small cavities in bone that are filled with bone cells
Origin: L, a ditch, hole, pool from lacus: see lake
Used by arrangement with John Wiley & Sons, Inc.
noun pl. la·cu·nae or la·cu·nas
- An empty space or a missing part; a gap: “self-centered in opinion, with curious lacunae of astounding ignorance” (Frank Norris).
- Anatomy A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.
Origin: Latin lacūna; see lagoon.
- la·cuˈnal adjective
lacuna - Medical Definition
noun pl. la·cu·nas or la·cu·nae
- An anatomical cavity, space, or depression, especially in a bone.
- An empty space or a missing part; a gap; a defect.
- An abnormal space between the strata or between the cellular elements of the epidermis.
- See corneal space.
- lacunal adjective