- the highest heaven, supposed by the ancients to contain the pure element of fire.
- the visible heavens; the firmament.
- the highest part of the (supposedly spherical) heavens, thought in ancient times to contain the pure element of fire and by early Christians to be the abode of God and the angels
- the heavens or sky
- of or relating to the sky, the heavens, or the empyrean
- heavenly or sublime
- composed of fire
