Lacuna definitions

lə-kyo͝o'nə, -ko͝o'-
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.

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An empty space or a missing part; a gap.
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A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.
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An empty space or a missing part; a gap.
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A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.
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A space where something has been omitted or has come out; gap; hiatus; esp., a missing portion in a manuscript, text, etc.
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A space, cavity, or depression; specif., any of the very small cavities in bone that are filled with bone cells.
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A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.
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A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.
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An absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar.
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(microscopy) A space visible between cells, allowing free passage of light.
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(linguistics) A language gap, which occurs when there is no direct translation in the target language for a lexical term found in the source language.
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Origin of lacuna

From Latin lacūna (“ditch, gap”), diminutive form of lacus (“lake”).