A more thorough explanation:

The United States Military Academy, also known as West Point, is a school run by the U.S. Army that teaches and trains officers for service in the U.S. Army. It is located in West Point, New York, on the Hudson River.

For example, if someone wants to become an officer in the U.S. Army, they might attend the United States Military Academy to receive the education and training they need.

This definition explains what the United States Military Academy is and what it does. It also provides an example to help illustrate the definition.