In technology:
* False Rejection Rate: In biometric systems, this refers to the rate at which a legitimate user is incorrectly rejected by the system.
* Frame Relay Router: A type of router that supports Frame Relay technology, used for high-speed data transmission.
* Free Range Rabbit: A term used in agriculture for rabbits raised with access to outdoor space.
In other contexts:
* Federal Reserve Requirement: In finance, this refers to the percentage of a bank's deposits that it must hold in reserve.
* Frequently Requested Resource: A term used in IT to describe a resource that is in high demand.
* Friendly Request Rate: A playful term used in online communities for a rate at which people are willing to help others.
To understand the meaning of "FRR" in a specific context, look at the surrounding information or ask for clarification.