Origin of arris
Examples from the Web for arrises
It is well to chamfer the arrises at the end of the tenon to insure its starting easily into the mortise.Handwork in Wood|William Noyes
Much skill and care is required to retain the arrises sharp and the curved members of accurate and proportionate outline.
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