Looking for the meaning or definition of the word heavenly body? Here's what it means.
Noun
A natural celestial object, visible in the sky, such as a star, planet, natural satellite, asteroid, comet, the Moon or the Sun. Objects flying or moving in the atmosphere are not usually considered as heavenly bodies.
An astronomical object. (Can we add an example for this sense?)
(religion) The recreated, angel-like body that people will have in heaven.