← Back to browse区系くけい[kukei]nounJapanese definitionNo Japanese definition yet.English definitionecozone (biogeographical realm)ExamplesNo examples yet.Loading examples…Ask about thisKanji区ward; districtク、オウ、コウ · 4 strokes区地区区別区域区分区画区間区内系lineage; systemケイ · 7 strokes系系列系統体系理系家系日系文系