arris

  1. Noun.  (architecture) A sharp edge or ridge formed by the intersection of two curved surfaces.
  2. Noun.  (archaeology) 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].
  3. Noun.  (UK, slang) Buttocks.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.