This is the 979th most frequent Italian word.
regno
"Regno" in English means "kingdom."
In this sentence, 'regno' refers to the period of rule or governance of a monarch.
Il regno di Luigi XIV fu uno dei più lunghi nella storia francese.
The reign of Louis XIV was one of the longest in French history.
Here, 'regno' is used to denote a biological taxonomic classification (kingdom).
Il regno animale comprende una vasta varietà di specie.
The animal kingdom encompasses a vast variety of species.
In this context, 'regno' indicates a domain or sphere, metaphorically describing a conceptual or imaginative space.