Emily Dickinson Lexicon

CE-LES'TIAL, a. [L. cœlestis, from cœlum, cælum, heaven.]

1. Heavenly; belonging or relating to heaven; dwelling in heaven; as, celestial spirits; celestial joys. Hence the word conveys the idea of superior excellence, delight, purity, &c. – Dryden.
2. Belonging to the upper regions, or visible heaven; as, celestial signs; the celestial globe.
3. Descending from heaven; as, a suit of celestial armor. – Pope.