Baretti: A dictionary of the English and Italian languages
Spér-a, s. f. dim. Spér-étta, Spér-ína, Spér-úla,
1. sphere;2. the collection or aggregation of the heavenly bodies; 3. each of the heavenly orbs or globes individually. — del sole, the solar rays; 4. a round solid body; 5. a sphere, globe, ball, circle, orb; 6. a looking-glass; 7. (naut. t.) a deal board, &c. which hangs over a ship's side to slacken its course; 8. facets (speaking of diamonds).
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English