土ど砂しゃ災さい害がい警けい戒かい区く域いきMeaningsNoun1. sediment-related disaster risk areaKanji used土earth砂sand災natural disaster害harm警to police (something)戒commandment区district域regionComposed of土ど砂しゃsediment; earth and sandNoun災さい害がいcalamity; disaster; misfortuneNoun警けい戒かいvigilance; caution; alertness; precaution; being on guardNoun区く域いきarea; zone; district; quarter; section; limits; boundaryNoun