- 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.
Origin of arris
1670–80; < Middle French areste; see arête
Also called piend.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for arrises
When the work will permit, it is desirable to round the arrises to about a ⅜-in.Concrete Construction
Halbert P. Gillette
After this, the arrises may again be planed until it has 16 and then 32 sides.Mission Furniture
H. H. Windsor
Much skill and care is required to retain the arrises sharp and the curved members of accurate and proportionate outline.
It is well to chamfer the arrises at the end of the tenon to insure its starting easily into the mortise.Handwork in Wood
- a sharp edge at the meeting of two surfaces at an angle with one another, as at two adjacent sides of a stone block
C17: apparently from Old French areste beard of grain, sharp ridge; see arête
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012