Definition of spiritus in English:

spiritus

noun

literary
  • A particular spirit or quality.

    • ‘Even when the Renaissance Neoplatonist Marsilio Ficino talked about the health of the scholar he meant to refer to the state of his spiritus.’
    • ‘In animal organisms vital and cognitive functions depend on the spiritus.’
    • ‘Forget the spiritual connotations of breath, spiritus, soul, or whatever.’
    • ‘As I entered that all-too-familiar room, the creator spiritus took possession of me, held me in its clutches and chastised me for eight weeks, until the work was all but finished.’

Origin

Latin, ‘breath, spirit’.

Pronunciation

spiritus

/ˈspɪrɪtʊs/