This is the 5463rd most frequent French word.
bianche
"Bianche" is not French; it is Italian, meaning "white" (feminine plural form).
In this sentence, 'bianche' serves as an adjective describing the color of the feathers.
Les plumes bianche brillent sous le soleil.
The white feathers shine under the sun.
Here, 'bianche' modifies 'robe,' indicating its color as being white and elegant.
Elle a choisi la robe bianche pour la cérémonie.
She chose the white dress for the ceremony.
The word 'bianche' is used to describe the past state of the castle walls, emphasizing their color in a historical context.