‖n. [ Eth. and Ar., our father. ] The Patriarch, or head of the Abyssinian Church. [ 1913 Webster ]

n. [ trademark. ] a synthetic rubber made by copolymerizing butadiene with another substance such as acrylonitrile or styrene.
Syn. -- buna-S. [ WordNet 1.5 ]

The permanent court of arbitration created by the “International Convention for the Pacific Settle of International Disputes.”, adopted by the International Peace Conference of 1899. It is composed of persons of known competency in questions of international law, nominated by the signatory powers. From these persons an arbitration tribunal is chosen by the parties to a difference submitted to the court. On the failure of the parties to agree directly on the arbitrators, each chooses two arbitrators, an umpire is selected by them, by a third power, or by two powers selected by the parties. [ Webster 1913 Suppl. ]

n. [ L. tribunal, fr. tribunus a tribune who administered justice: cf. F. tribunal. See Tribune. ] 1. The seat of a judge; the bench on which a judge and his associates sit for administering justice. [ 1913 Webster ]

2. Hence, a court or forum; as, the House of Lords, in England, is the highest tribunal in the kingdom. [ 1913 Webster ]

‖n. [ Sp. ] In villages of the Philippine Islands, a kind of townhall. At the tribunal the head men of the village met to transact business, prisoners were confined, and troops and travelers were often quartered. [ Webster 1913 Suppl. ]

a. Of or pertaining to tribunes; as, tribunary powers or authority. [ 1913 Webster ]

n. [ L. tribunatus: cf. F. tribunat. ] The state or office of a tribune; tribuneship. [ 1913 Webster ]