arbiter
How to Use Arbiter
Learner’s notesIn plain EnglishA person or thing with the authority to settle a disagreement or make the final call.
"Arbiter" and "arbitrator" overlap, but "arbitrator" is the more specific, formal term for someone conducting legal arbitration.
Word Forms
arbitered past tense, arbiters plural, arbiters singular
Fill the Gap
Can you complete this real example?
The two companies agreed to let an independent _____ decide the contract dispute.
Etymology
From Latin arbiter, "a witness or judge" — literally "one who goes to see".