5 definitions
Definition.com
License plate reader (n.) is a speed trap that gave up on speed.
Definition.com
License plate reader (n.) reads nothing but your plate and forgets nothing about your week.
Definition.com
License plate reader (n.) is a toll booth that stopped collecting money and started collecting whereabouts.
Definition.com
License plate reader (n.) is a tracker you never have to wear because the car wears it for you.
Definition.com
License plate reader (n.) is a camera bought to catch stolen cars and kept because it catches everyone.