GBR

== Translingual == === Etymology === From English Great Britain. See GB for more information. === Symbol === GBR (international standards) ISO 3166-1 alpha-3 country code for the United Kingdom. Synonym: GB (alpha-2) ==== Usage notes ==== The code includes the Sovereign Base Areas of Akrotiri and Dhekelia. == English == === Noun === GBR (uncountable) (telecommunications) Initialism of guaranteed bitrate. Coordinate term: MBR === Proper noun === GBR Initialism of Great British Railways.