It's a feminine plural noun in Spanish, and it refers to green things or green plants.
Here are some examples of how it might be used:
* Las verdes del jardín: The greens in the garden
* Las verdes de la mesa: The greens on the table
* Me gusta comer las verdes: I like to eat greens
Note: "Las verdes" can also be used figuratively to refer to things that are green in color, or to represent something that is fresh, natural, or healthy.