arris

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noun ar·ris \ˈa-rəs, ˈer-əs\

Definition of arris

plural

arris

or

arrises

  1. :  the sharp edge or salient angle formed by the meeting of two surfaces especially in moldings

Origin and Etymology of arris

probably modification of Medieval French areste, literally, fishbone, from Late Latin arista — more at arête


First Known Use: 1677

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holding stubbornly to a belief or view

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