Campus Security

noun a building used to house guards or security personnel

• The guardhouse at the entrance of the military base is where all visitors must check in.
• I'll meet you by the guardhouse before we head into the park.
• Let's hang out at the guardhouse after school, it's a chill spot.
• His mind was like a guardhouse, always vigilant and protective of his thoughts.

noun a technology capable of identifying or verifying a person from a digital image or a video frame from a video source

• The latest technology in security systems includes facial recognition software.
• I heard that the new phones have facial recognition to unlock them.
• I can't believe how accurate that facial recognition stuff is!
• His facial recognition skills are so sharp, he can always tell when someone is lying.