[ trʌɪ'bju:n(ə)l , trɪ- ]
■ noun
1》 Brit. an official board established to settle certain types of dispute.
2》 a court of justice.
3》 a seat for a judge or judges.
Origin
ME: from OFr., or from L. ~ 'raised platform provided for magistrate's seats', from tribunus (see tribune 1 ).