警けい戒かい線せんMeaningsNoun1. warning line; police cordonKanji used警to police (something)戒commandment線linePitch accentけいかいせんけいかいせんComposed of警けい戒かいvigilance; caution; alertness; precaution; being on guardNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …Noun