This is the 5828th most frequent French word.
corses
"Corses" in French refers to "Corsicans," the people from Corsica.
Here, 'corses' functions as an adjective describing 'montagnes', referring to characteristics of Corsica.
Les montagnes corses sont magnifiques.
Corsican mountains are magnificent.
In this instance, 'corses' functions as a noun, denoting the people of Corsica.
Les corses célèbrent leur culture avec fierté.
Corsicans celebrate their culture with pride.
In this example, 'corses' is used as an adjective describing 'plats', referring to dishes typical of Corsican cuisine.