Here are some examples of how "nourish" can be used:
* "A healthy diet nourishes the body." This means that a healthy diet provides the body with the nutrients it needs to function properly.
* "The soil is nourished by the rain." This means that the rain provides the soil with the moisture it needs to support plant life.
* "The artist's imagination was nourished by her travels." This means that the artist's experiences while traveling gave her new ideas and inspiration.
In essence, to nourish something is to provide it with what it needs to thrive and grow.