This is the 2739th most frequent French word.
blanches
"Blanches" means "white" (feminine plural form).
In this sentence, 'blanches' is used as an adjective, modifying the plural noun 'chemises' (shirts), indicating the color white.
Les chemises blanches sont propres.
The white shirts are clean.
Here, 'blanches' describes the color of 'roses' (plural feminine noun), showing its agreement in gender and number.
Des roses blanches poussent dans le jardin.
White roses grow in the garden.
In this example, 'blanches' is used to specify the blank or white condition of 'pages' (plural feminine noun).