Dictionary

arris

noun ar·ris \ˈa-rəs, ˈer-əs\
plural arris or ar·ris·es

Definition of ARRIS

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

probably modification of Middle French areste, literally, fishbone, from Late Latin arista — more at arête
First Known Use: 1677

Rhymes with ARRIS

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