From en.wiktionary.org:
[Arris]
** English
*** Etymology 1
From [en], from [en]. [en].
**** Pronunciation
- [en] - [en]
**** Noun
[en-noun]
1. A sharp edge or ridge formed by the intersection of two surface s 2. [en] A sharp edge or ridge formed by the intersection of two curved surfaces 3. [en] A ridge formed on the surface of flake d stone, such as an arrowhead or hand axe , as the result of the intersection of two or more flake removals.
***** Derived terms
{{col|en |arris fillet |arris gutter |arris rail |arriswise }}
***** Translations
[a sharp edge or ridge formed by the intersection of two surfaces]
- Portuguese: [pt] [trans-bottom]
***** See also
- [Arris] - [Vault]
**** References
References:
*** Etymology 2
Rhyming slang via _Aristotle_ = _bottle_, then _bottle and glass_, then _arse_.
**** Noun
[en-noun]
1. [en] Buttocks , arse .
*** Anagrams
- [en]