Video shows what lacuna means. A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.. An absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar such.. A space visible between cells, allowing free passage of light.. lacuna synonyms: hiatus, gap. lacuna pronunciation. How to pronounce, definition by Wiktionary dictionary. lacuna meaning. Powered by MaryTTS
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