Lacuna \ lə-ˈkü-nər a little lake. Or a pause, gap or break in a text, painting or musical work.
Latin lacūna: “little lake”.
Word of the day: “lacuna”- in a manuscript, an inscription, or the text of an author: a hiatus, blank, missing portion (OED n.1)
A word borrowed from Latin in the 17th Century by the English by way of Italian and French.
French: lacune A gap in personal knowledge (for a pupil or a student): “avoir des lacunes en mathématiques”. Also closely related to lagune a coastal lake.
A Little Lacuna Book I own: The Lady of the Lake
Content Catnip 
So a lacuna can be book as well as a manuscript? As in your delightful little volume?
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I honestly can’t remember haha, I wonder what was in my head when I connected lacuna with this tiny book…I wrote this ages ago and I’m now confused at the connection hahaha 🤣
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Ahhh now I have it! A lacuna also means ‘a tiny lake’ and my tiny book is called ‘The Lady of the Lake’ thus…its a tiny lacuna. Phew! I knew I didn’t do it randomly haha 😁
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