noun, noun or participle which takes 'suru', transitive verb
Refers to the act of guarding, patrolling, or maintaining security for people, buildings, events, or areas. Often used in compound nouns like 警備員 (security guard) and 警備会社 (security company).
空港の警備は厳重だ。
Security at the airport is tight.
警
The police are guarding the venue.