What is "grisons"

Grisons \Gri"sons\, n. pl. [F.] (Geog.)

1. Inhabitants of the eastern Swiss Alps.

2. sing. The largest and most eastern of the Swiss cantons.

n. (plural of grison English)

Grisons (; , Swiss Standard German: ; German Standard German: ; ; ; see also other names) is the largest and easternmost canton of Switzerland. The canton shares borders with the cantons of Ticino, Uri, Glarus and St. Gallen and international borders with Italy, Austria and Liechtenstein. The name Graubünden translates as the "Grey Leagues," referring to the canton's origin in three local alliances, the League of God's House, the Grey League, and the League of Ten Jurisdictions. Grisons is also home to three of Switzerland's ethnic groups and the subsequent languages of Swiss German, Italian and Romansh are all native to the state. It is the only officially trilingual canton and the only canton where the Romansh language has official status.