The definition of a lacuna is a space where something is missing.(noun)
An example of a lacuna is the gap left between two teeth when a tooth falls out.
See lacuna in Webster's New World College Dictionary
Origin: L, a ditch, hole, pool < lacus: see lake
See lacuna in American Heritage Dictionary 4
noun pl. la·cu·nae (-nē) or la·cu·nas
Origin: Latin lacūna; see lagoon.
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