警けい衛えい

け

い

え

い

Meanings

1

noun, noun or participle which takes 'suru', transitive verb

Refers to guarding, patrolling, or escorting, often in a formal or official capacity. Can be used as a noun or as a suru-verb.

式しき

典てん

の

間あいだ

、

会かい

場じょう

の

警けい

衛えい

が

強きょう

化か

さ

れ

た

。

Security patrols were strengthened during the ceremony.

警けい備び
警備 is more common for general security and guarding, while 警衛 often implies a more formal or official escort/patrol duty.
護ご衛えい
護衛 focuses on escorting and protecting a person or object, whereas 警衛 can also include patrolling an area.

Sino-Japanese compound of 警 (warn, guard) and 衛 (defend, protect).