Merriam-Webster Collegiate Dictionary - shikoku

 geographical name island S Japan E of Kyushu area 7245 square miles (18,765 square kilometers), population 4,195,106 SHIKSA  or shikse  noun  Etymology: Yiddish shikse, feminine of sheygets non-Jewish boy, from Hebrew sheqe? blemish, abomination  Date: 1872  1. often disparaging a non-Jewish girl or woman  2. a Jewish girl or woman who does not observe Jewish precepts — used especially by Orthodox Jews