警戒区域 けいかいくいき Meanings Noun hazard area (flood, tsunami, etc.); danger zone; no man's land Kanji 警 warn. Read as ケイ. 戒 admonish. Read as カイ. 区 district 域 region. Read as イキ. Words containing 警戒区域 土砂災害警戒区域 (どしゃさいがいけいかいくいき) sediment-related disaster risk area Jinuma: Japanese Dictionary · Word lists