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regula

noun
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reg·​u·​la | \ ˈregyələ \
plural regulae\ -​ˌlē \

Definition of regula

1 : an architectural band or fillet especially when one of a series beneath the taenia in a Doric architrave of which each corresponds to a triglyph above and has a row of six guttae on its lower side
2 : rule the authoritative regula for community life

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History and Etymology for regula

Latin regula straightedge, rule

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“Regula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regula. Accessed 5 Mar. 2021.

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