From Traderpedia

Definition: Euribor stands for the Euro Interbank Offered Rate, a euro-denominated interest rate charged by large banks among themselves on euro-denominated loans.

Euribor is one of the two benchmarks for the money and capital markets in the euro zone (the other one being Eonia). 'Bor futures are traded actively amongst locals at trading arcades - these contracts being available for trading on the LIFFE exchange.