- A little face; a small, plane surface; as, the facets of a diamond. Alt. spell.: facette
- [Anat] A smooth circumscribed surface; as, the articular facet of a bone.
- [Arch] The narrow plane surface between flutings of a column.
- [Zoöl] One of the numerous small eyes which make up the compound eyes of insects and crustaceans.
Etymology: F. facette, dim. of face face. See Face