security guard

noun

1. a uniformed guard employed by a bank, airport, office building, etc., to maintain security.

security guard

noun

1. a person employed to protect buildings, people, etc, and to collect and deliver large sums of money

Word History and Origins

Origin of security guard¹

First recorded in 1955–60

Related Words

• caretaker 
• custodian 
• patrolman 
• policeman 
• warden