Arris(redirected from arrises)
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Related to arrises: arises
A short edge or angle at the junction of two surfaces, especially moldings and raised edges.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An external angular intersection between two sharp planar or curved faces, as in moldings; or between two flutes in a Doric column.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
1. An external angular intersection between two planar faces (an edge), or two curved faces, as in moldings or between two flutes on a Doric column or between a flute and the fillet on an Ionic or a Corinthian column.
2. The sharp edge of a brick.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.