スタジアムジャンパースタジアムジャンパーMeanings1nouncollege jacket; baseball jacket; varsity jacketA wasei-eigo term for a classic American-style jacket with contrasting sleeves, often associated with sports teams or schools. Not called 'stadium jumper' in English.wasei-eigo (Japanese-coined English), from stadium jumper彼かれは高こう校こうのスタジアムジャンパーを着きて同どう窓そう会かいに来きた。He came to the reunion wearing his high school varsity jacket.あの店みせ