Save Type Settlement Usage Japanese Scripts 大津(Japanese Kanji) おうつ(Japanese Hiragana) Pronounced Pron. O-TSOO [key·IPA] Meaning & History Means "large port" in Japanese. The kanji that make up the name are 大 (ō), meaning "big, large", and 津 (tsu, Japanese kun reading of jīn), meaning "port". This is the name of the capital city of Shiga Prefecture, Japan.