The sky, viewed poetically as a solid arch or vault
An imaginary sphere with Earth at its center. The stars, planets, Sun, Moon, and other celestial bodies appear to be located on this sphere, and the sphere appears to rotate around the Earth's extended axis once every 24 hours, carrying the celestial bodies with it overhead and giving them their diurnal motions. The celestial sphere is essentially a spherical map of the sky that provides the basis for the coordinate systems used in celestial navigation and in specifying the positions and motions of celestial objects.
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Public utterance; vent:
A state or place of complete happiness or perfect rest, attained by the good after death
Heaven, or the celestial regions
A celestial body, such as a planet or star.
Among Christian poets, the abode of God
Find another word for welkin. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for welkin, like: firmament, celestial-sphere, heavens, vault of heaven, air, heaven, sky, high, sphere and empyrean.