the GNU version of the Collaborative International Dictionary of English
adj. Of or relating to an arbiter or an arbitration.
The Century Dictionary and Cyclopedia
Relating to arbitration; subject to review and adjudication.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. relating to or resulting from arbitration
Word Usage
"The plan of that conference gives us the thing, although the name contained the word "arbitral" probably as a concession to some delegates who were not ready to call it what it really is "A Supreme Court of the World.""