- Existence from eternity equally with another eternal being; equal eternity.
- 1714, Bp George Bull, Some Important Points of Primitive Chriſtianity Maintained and Defended (2nd ed.), volume III, discourse IV: “The Conſubſtantiality and Coeternity of the Son of God with God the Father, Aſſerted; or ſome few Animadverſions on a Treatiſe of Mr. Gilbert Clerke, entituled Anteniceniſmus, ſo far as the ſaid Author pretends to anſwer Dr. George Bull’s Defenſe of the Nicene Faith, &c.”,
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.