Amerasian /ˌæm.əˈɹeɪ.ʒən/adjective 1noun 1forms 1 adjective1 •Of mixed American and Asian parentage.Keane's speeches have not reduced the number of Amerasian births, but a decade of sleuthing has helped nearly 600 Amerasian orphans find new homes in the United States. — 1980 noun1 •A person of mixed American and Asian parentage, especially if their father was an American serviceman or temporary resident stationed in Asia.I am an Amerasian, why am I not allowed to stay here legally? Why do you try to keep me out, why do you discriminate against me? — 1995 formsAmerasians