a. [ Pref. trans- + Atlantic: cf. F. transatlantique. ] 1. Lying or being beyond the Atlantic Ocean. [ 1913 Webster ]
☞ When used by a person in Europe or Africa, transatlantic signifies being in America; when by a person in America, it denotes being or lying in Europe or Africa, especially the former. [ 1913 Webster ]
2. Crossing the Atlantic Ocean; as, a transatlantic flight. [ 1913 Webster +PJC ]