arris

American  

[ar-is] / ˈær ɪs /

noun

Architecture.

1. a sharp ridge, as between adjoining channels of a Doric column.

2. the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle.

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arris British  

/ ˈærɪs /

noun

1. a sharp edge at the meeting of two surfaces at an angle with one another, as at two adjacent sides of a stone block

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Etymology

Origin of arris

1670–80; < Middle French areste; arête

Example Sentences

If they are set too deep the screws may be loosened and a piece of paper or a shaving inserted underneath along the outer arris of the gain.

From Handwork in Wood by Noyes, William

It differs from a bevel in that a bevel inclines all the way to the next arris, while a chamfer makes a new arris, Fig.

From Handwork in Wood by Noyes, William

In the Parthenon the radius of the central part of the flute is greater than the width, but the smaller arcs on either side accentuate better the arris.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various

On one angle of each pillar, an attached column supports the spring of one arris of the vault.

From Romanesque Art in Southern Manche: Album by Lebert, Marie

A chamfer is a surface produced by cutting away an arris.

From Handwork in Wood by Noyes, William