Meaning
山梨 (やまなし, Yama-nashi) is Asian pear — a Japanese food (fruits, plants).
What is Asian pear?
Yamanashi are nashi pears, also known as Asian pears. The fruits are not generally baked in pies or made into jams because they have a high water content and a crisp, grainy texture, very different from the European varieties. They are commonly served raw and peeled. The fruit tends to be quite large and fragrant, and when carefully wrapped (it has a tendency to bruise because of its juiciness), it can last for several weeks or more in a cold, dry place. Due to their relatively high price and the large size of the fruit of cultivars, the pears tend to be served to guests, given as gifts, or eaten together in a family setting. In cooking, ground pears are used in sauces based on vinegar or soy sauce as a sweetener, instead of sugar. They are also used when marinating meat, especially beef.