1. Of or relating to the sky or physical universe as understood in astronomy: Planets are celestial bodies.
2. Of or relating to heaven; divine: celestial beings.
3. Supremely good; sublime: celestial happiness.
4. Celestial Of or relating to the Chinese people or to the former Chinese Empire.
A heavenly being; a god or angel.
[Middle English, from Old French, from Medieval Latin celestiālis, from Latin caelestis, from caelum, sky.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.