おおさかとういん 大阪桐蔭 LinksSentence search for 大阪桐蔭Sentence search for おおさかとういんKanji details for 大, 阪, 桐 and 蔭Edit in JMdict Noun1. Osaka Tōin Junior and Senior High School (abbr)Organization name Discussions Log in to talk about this word.