What does "facet" mean?

Facet: (Anat.) A smooth circumscribed surface; as, the articular facet of a bone.

Additional senses

  1. 2.(Arch.) The narrow plane surface between flutings of a column.
  2. 3.(Zoöl.) One of the numerous small eyes which make up the compound eyes of insects and crustaceans.
  3. 4.To cut facets or small faces upon; as, to facet a diamond.

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