[ ar-is ]
/ ˈær ɪs /
a sharp ridge, as between adjoining channels of a Doric column.
the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle.
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Origin of arris
1670–80; <Middle French areste;
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use arris in a sentence
Cutting off the outside arrises to the gaged lines leaves an octagonal stick.
It is well to chamfer the arrises at the end of the tenon to insure its starting easily into the mortise.
Much skill and care is required to retain the arrises sharp and the curved members of accurate and proportionate outline.
In turning blocks it is necessary to provide some sort of cushion for them to turn on or broken arrises will result.
British Dictionary definitions for arris
noun plural -ris or -rises
a sharp edge at the meeting of two surfaces at an angle with one another, as at two adjacent sides of a stone block
Word Origin for arris
C17: apparently from Old French areste beard of grain, sharp ridge; see arête
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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