Merriam-Webster's Collegiate® Dictionary, 11th Edition
CELESTIAL
I. adjective
Etymology: Middle English, from Anglo-French, from Latin caelestis celestial, from caelum sky
Date: 14th century
of, relating to, or suggesting heaven or divinity , of or relating to the sky or visible heavens ,
3. ethereal , otherworldly , Olympian , supreme , of or relating to China or the Chinese, celestially adverb
II. noun
Date: 1573
a heavenly or mythical being, Chinese 1a