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The Collaborative International Dictionary
Arris

Arris \Ar"ris\, n. [OF. areste, F. ar[^e]te, fr. L. arista the top or beard of an ear of grain, the bone of a fish.] (Arch.) The sharp edge or salient angle formed by two surfaces meeting each other, whether plane or curved; -- applied particularly to the edges in moldings, and to the raised edges which separate the flutings in a Doric column.
--P. Cyc.

Arris fillet, a triangular piece of wood used to raise the slates of a roof against a chimney or wall, to throw off the rain.
--Gwilt.

Arris gutter, a gutter of a V form fixed to the eaves of a building.
--Gwilt.

Wiktionary
arris

n. 1 A sharp edge or ridge formed by the intersection of two surfaces 2 (context architecture English) A sharp edge or ridge formed by the intersection of two curved surfaces 3 (context archaeology English) A ridge formed on the surface of flaked stone that results from the intersection of two or more flake removals. The '''arris''' marks the location of flake scars on the dorsal surface of chipped stone.Andrefsky, W. (2005) ''Lithics: Macroscopic Approaches to Analysis''. 2d Ed. Cambridge, Cambridge University Press. P. 252 [http://books.google.com/books?id=L6LAsLpx46IC&pg=PA252&lpg=PA252&dq=arris+lithic&source=web&ots=VMpCZX_xc-&sig=sW0DjBW6Lg_NdAGKi8ML875OcfI&hl=en&sa=X&oi=book_result&resnum=4&ct=result#PPA252,M1] 4 (context UK slang English) buttocks, arse.

Wikipedia
Arris

In architecture, an arris is the sharp edge formed by the intersection of two surfaces, such as the corner of a masonry unit; the edge of a timber in timber framing; the junction between two planes of plaster or any intersection of divergent architectural details. Also the raised edges which separate the flutings in a Doric column.

The origin of the term arris is from the Latin 'arista' meaning the beard of an ear of grain or the bone of a fish. See also arête.

An arris rail is a structural element, whose cross section is a 45 degree isosceles right angled triangle. Arris rails are usually made of wood, and are manufactured by cutting a length of square-section timber lengthwise diagonally. They are used for structures which require joining two timbers at right angles; for example, connecting wooden posts and beams. Another common use is for the horizontal rails of timber fences, since the diagonal edges prevent water from collecting on top of the wood and thus rotting the timber. It also adds an element of security, since the fence is harder to climb.

Arris (disambiguation)

Arris may refer to:

  • Arris, an architectural structure
  • Arris Group, a telecommunications company.
  • ARRIS CAD, an architectural CAD software.
  • Arris District, a district in Bosnia.
  • Arris, Batna, Algeria, a town.

Usage examples of "arris".

Commander Arris heard the clear jangle of the radar net alarm as he was dreaming about a fish.

Evan joined him, and they silently studied the smooth, disciplined functioning of the plot room, Arris with satisfaction and Evan doubtless with the same.

And when the good fathers had reached the appointed place, the house of Bernard Kiernan and Co, limited, 8, 9 and 10 little Britain street, wholesale grocers, wine and brandy shippers, licensed fo the sale of beer, wine and spirits for consumption on the premises, the celebrant blessed the house and censed the mullioned windows and the groynes and the vaults and the arrises and the capitals and the pediments and the cornices and the engrailed arches and the spires and the cupolas and sprinkled the lintels thereof with blessed water and prayed that God might bless that house as he had blessed the house of Abraham and Isaac and Jacob and make the angels of His light to inhabit therein.

And when the good fathers had reached the appointed place, the house of Bernard Kiernan and Co, limited, 8, 9 and 10 little Britain street, wholesale grocers, wine and brandy shippers, licensed fo the sale of beer, wine and spirits for consumption on the premises, the celebrant blessed the house and censed the mullioned windows and the groynes and the vaults and the arrises and the capitals and the pediments and the cornices and the engrailed arches and the spires and the cupolas and sprinkled the lintels thereof with blessed water and prayed that God might bless that house as he had blessed the house of Abraham and Isaac and Jacob and make the angels of His light to inhabit therein.

Arris has been elevated to the position of nominal head of our scientific station here, for the duration of the project.