arris

Meaning

  1. A sharp edge or ridge formed by the intersection of two surfaces
  2. A sharp edge or ridge formed by the intersection of two curved surfaces
  3. A ridge formed on the surface of flaked stone, such as a arrowhead or hand axe, as the result of the intersection of two or more flake removals.

Pronounced as (IPA)
/ˈæɹɪs/
Etymology

From Old French areste, from Latin arista (“beard (of grain), fishbone”). Doublet of arista.

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