Intersection vs Arris - What's the difference?
intersection | arris |
The junction of two (or more) paths, streets, highways, or other thoroughfares.
(geometry) The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).
(set theory) The set containing all the elements that are common to two or more sets.
(sports) The element where two or more straight lines of synchronized skaters pass through each other.[http://www.isu.org/vsite/vcontent/content/transnews/0,10869,4844-128590-19728-18885-295370-3787-4771-layout160-129898-news-item,00.html]
A sharp edge or ridge formed by the intersection of two surfaces
(architecture) A sharp edge or ridge formed by the intersection of two curved surfaces
(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]
(UK, slang) Buttocks, arse.