おうしゅう 奥州 LinksSentence search for 奥州Sentence search for おうしゅうKanji details for 奥 and 州Edit in JMdict Noun1. Ōshū (alternative name of the former Mutsu province)Historical term, See also 陸奥 むつPlace2. Oushuu; name for old Japan's Mutsu provinceWikipedia definition3. Oshu Discussions Log in to talk about this word.