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sacellum

noun sa·cel·lum \ səˈkeləm , səˈse- \
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Definition of sacellum

plural sacella \-lə\
1 : a small monumental chapel in a church
2 : an unroofed space in an ancient Roman building consecrated to a divinity

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Origin and Etymology of sacellum

Latin, pagan Roman sacellum, diminutive of sacrum sanctuary, sacred object, from neuter of sacer sacred

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