応おう長ちょうおうちょうMeanings1nounŌchō era (1311.4.28–1312.3.20)A Japanese era name (年号) from the late Kamakura period. Used in historical contexts.応おう長ちょうは鎌かま倉くら時じ代だいの元げん号ごうの一ひとつです。Ōchō is one of the era names of the Kamakura period.