Русско-англо-русский юридический словарь

An arbitral tribunal is a tribunal constituted for resolving a dispute by way of arbitration. It can consist of either a sole arbitrator or two or more arbitrators. (definitions.uslegal.com)

An arbitral tribunal (or arbitration tribunal) is a panel of one or more adjudicators which is convened and sits to resolve a dispute by way of arbitration. The tribunal may consist of a sole arbitrator, or there may be two or more arbitrators, which might include either a chairman or an umpire. (Wikipedia)

In this case, an arbitrator made an arbitration award at a time when the defendant in arbitration proceedings was under business rescue in terms of section 129 of the Act. (lexology.com)

With the amendments, parties may agree to avoid restrictions imposed by arbitration rules on the choice of arbitrators among those listed by the arbitration institution. (mondaq.com)