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n. pl. arris or ar·ris·es
The sharp edge or ridge formed by two surfaces meeting at an angle, as in a molding.

[Alteration of Old French areste, fishbone, spine; see arête.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ris or -rises
(Architecture) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈær ɪs)

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.
[1670–80; < Middle French areste; see arête]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
ARRIS has announced the availability of two groundbreaking Wi-Fi 6 (802.11ax) mesh systems, the company said.
ARRIS (now part of CommScope via acquisition) has announced the availability of the RDK Lab Accelerator, a solution jointly developed by ARRIS, Metrological and RDK Management, the company said.
Arris, part of CommScope, has announced the availability of the RDK Lab Accelerator, a solution jointly developed by Arris, Metrological and RDK Management, to support the rapid development of new video applications.
ARRIS International announced that the ARRIS DSR-7412 transcoder, and DSR-4470 receiver decoder have been selected by HBO Latin America for its content distribution network.
12 February 2018 - US-based entertainment and communications technology company Arris International plc (NASDAQ: ARRS) has inked an agreement with long-time partner Pegatron Corp.
ARRIS is demonstrating how the set-top device is evolving to support tomorrow's video services, including the delivery of 4K/Ultra HD (UHD) video to and around the home.
ARRIS Group Inc (Nasdaq:ARRS), a provider of entertainment and communications technology, announced on Tuesday that its Service Provider Wi-Fi solution has been selected by Suddenlink, a large cable operator in the US, to deliver carrier-grade Wi-Fi to its commercial customers throughout its 17-state area.
Now that Google (NASDAQ:GOOG) has agreed to sell its set-top box line to Arris Corp.
Buckeye's residential and business customers have long counted on reliable voice, video and high-speed data services, enabled in large part through the installation and use of a wide variety of ARRIS technology solutions.
Live and interactive virtual demonstrations will show how ARRIS solutions facilitate service provider content and feature distribution by supplying increased capacity and a seamless migration path between legacy service delivery and next-generation IP networks:
The 41-year-old Travel West Midlands driver killed postal worker John Arris, a father-of-five who has six grandchildren, while he was cycling home to Weoley Castle along the roundabout at Lancaster Circus after finishing his shift in Newtown.