Definitions of fallen:

• adjective:   having dropped by the force of gravity

  Example: "Fallen leaves covered the forest floor"

• adjective:   killed in battle

  Example: "To honor fallen soldiers"

• adjective:   having lost your chastity

  Example: "A fallen woman"

• adjective:   having fallen in or collapsed

  Example: "A fallen building"

• name:  A surname (very rare: popularity rank in the U.S.: #23067)