noun the narrow plane surface between flutings of a column.
2. facet ·vt to cut facets or small faces upon; as, to facet a diamond.
3. facet ·noun a smooth circumscribed surface; as, the articular facet of a bone.
4. facet ·noun a little face; a small, plane surface; as, the facets of a diamond.
5. facet ·noun one of the numerous small eyes which make up the compound eyes of insects and crustaceans.