Corvo

[knife] The Corvo is a bladed weapon typically used in Chile. It is a double-edged knife with a curved blade of approximately 12 inches. Initially a tool similar to a grape hook, it was widely used in combat during the War of the Pacific. It was not standard issue, but rather a personal weapon or tool that the soldiers brought with them fro...
Found on http://en.wikipedia.org/wiki/Corvo_(knife)

Corvo

Well-known Sicilian brand wine of the winery Duca di Salaparuta; look there.
Found on https://glossary.wein-plus.eu/corvo
No exact match found