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

At the north-west angle, an attached column receives 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

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

Chamfer.—The surface A formed by cutting away the arris or angle formed by two faces, B, C, of material.

From Carpentry for Boys In a Simple Language, Including Chapters on Drawing, Laying Out Work, Designing and Architecture With 250 Original Illustrations by Zerbe, James Slough

A continuous slight projection ending in an arris or narrow fillet; that part of a drip from which the water is thrown off.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah