Definition of firmament in English:

firmament

noun

literary
  • 1The heavens or the sky, especially when regarded as a tangible thing.

    • ‘The Roman philosopher Seneca proposed that the auroras were flames slipping through cracks in the heavenly firmament.’
    • ‘We don't need redwoods and whales at all, not for ordinary life at least, no more than we need Plato, Beethoven, or the stars in the firmament of heaven.’
    • ‘The sky was a hard firmament with windows in it - but some time since then it evaporated.’
    • ‘The final part of the journey explores the ethereal realms of Paradise, where Dante is guided by a ravishing Beatrice through the shimmering, starry firmament to touch the face of God.’
    the sky, heaven, the blue, the wide blue yonder, the azure, the heavens, the skies
    the celestial sphere, the empyrean, the welkin
    View synonyms
    1. 1.1A sphere or world viewed as a collection of people.
      figurative ‘one of the great stars in the American golfing firmament’
      • ‘Sometimes the lightening forked across the sky like a crack in the dark firmament.’
      • ‘They're coveted by a generation too young to remember the designer's heyday, when she was one of the brightest stars in the fashion firmament, turning out exuberant, fantastical creations.’
      • ‘In the sky, the Pole Star, around which the firmament appears to turn, has been styled the ‘navel of the Heavens'.’
      • ‘We await with interest word of their further plans for this rising star of an upcoming mid-tier production company in the gold mining firmament.’
      • ‘Little space was devoted to the fact that a sporting success-starved nation suddenly had a youthful role model, an ambassador who could put India's name on the tennis firmament.’

Origin

Middle English: via Old French from Latin firmamentum, from firmare fix, settle.

Pronunciation:

firmament

/ˈfərməmənt/