警保局 けいほきょく Meanings Noun Home Ministry Police Affairs Bureau (1876-1947) Kanji 警 warn. Read as ケイ. 保 keep 局 bureau. Read as キョク. Words containing 警保局 内務省警保局 (ないむしょうけいほきょく) Home Ministry Police Affairs Bureau (1876-1947) Jinuma: Japanese Dictionary · Word lists