(trib′yn, Brit. trī′byn) noun
1. In Roman history, a magistrate chosen by the plebeians to protect them against patrician oppression.
2. One of various civil or military officers of later times; any champion of the people: as the title of a newspaper, often pronounced tri·byn′. [<L tribunus, lit., head of a tribe <tribus a tribe]
—trib′u·nar′y (-yə·ner′ē), trib′u·ni′cial (-yə·nish′əl), trib′u·ni′cian adjective

(trib′yn) noun
1. A raised floor for a Roman magistrate's chair.
2. A bishop's throne.
3. A rostrum or platform. [<MF <Ital. tribuna <L tribunal a tribunal]