/fas"it/ , n. , v. , faceted, faceting or ( esp. Brit. ) facetted, facetting .
n.
1. one of the small, polished plane surfaces of a cut gem.
2. a similar surface cut on a fragment of rock by the action of water, windblown sand, etc.
3. aspect; phase: They carefully examined every facet of the argument.
4. Archit. any of the faces of a column cut in a polygonal form.
5. Zool. one of the corneal lenses of a compound arthropod eye.
6. Anat. a small, smooth, flat area on a hard surface, esp. on a bone.
7. Dentistry. a small, highly burnished area, usually on the enamel surface of a tooth, produced by abrasion between opposing teeth in chewing.
v.t.
8. to cut facets on.
[ 1615-25; facette little face. See FACE, -ET ]