Baretti: A dictionary of the English and Italian languages
Ciélo, s. m.
1. the sky, heaven, firmament. Dare un pugno in —, to attempt impossibilities; 2. day, light; 3. heaven, paradise, the celestial glory; 4. the air, atmosphere; 5. heaven, God, providence, divine will; 6. sky, climate, region, country; 7. the top of a room, coach, &c. A —, to the skies, extremely.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
cielo: the heauen, the skie, the firmament or welkin. Also a canopie or testerne of a bed, the vpper face or roofe of any thing else.