The Greek adjective Alexandrinos means "of Alexandria" or "Alexandrian." In the New Testament it describes the ships from Alexandria, Egypt, that Paul sailed on during his voyage to Rome.
Paul's voyage to Rome — intended to bring him before Caesar for trial — was made possible in part by Alexandrian grain ships (Acts 27:6; 28:11). These massive vessels connected Egypt to Rome with the grain that sustained the empire. God used the commercial infrastructure of Roman power to bring His apostle to the capital of the world. What looked like a prisoner's journey was in reality the fulfillment of Acts 23:11: "You must also testify in Rome." God commands world shipping lanes.