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• trier
  trier

  noun

  a person or thing that tries or tests; tester.
• Trier
  Trier

  noun

  a city in W Germany, on the Moselle River: extensive Roman ruins; cathedral.

trier

¹ American  

[trahy-er] / ˈtraɪ ər /

noun

1. a person or thing that tries or tests; tester.

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Trier ² American  

[treer] / trɪər /

noun

1. a city in W Germany, on the Moselle River: extensive Roman ruins; cathedral.

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Trier ¹ British  

/ triːr /

noun

1. French name: Trèves.  Latin name: Augusta Treverorum.  a city in W Germany, in the Rhineland-Palatinate on the Moselle River: one of the oldest towns of central Europe, ancient capital of a Celto-Germanic tribe (the Treveri ); an early centre of Christianity, ruled by powerful archbishops until the 18th century; wine trade; important Roman remains. Pop: 100 180 (2003 est)

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trier ² British  

/ ˈtraɪə /

noun

1. a person or thing that tries

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Other Word Forms

• nontrier
  noun

Etymology

Origin of trier

First recorded in 1300–50, trier is from the Middle English word triour. See try, -er ¹

Example Sentences

It is disappointing, though not surprising, that Barrett fails to recognize Solomon’s role as the trier of fact.

From Slate • Sep. 5, 2025

Son's replacement Timo Werner actually spared United further punishment, confirming he remains a willing trier but a thoroughly unreliable finisher, twice shooting lamely at United keeper Andre Onana when clean through.

From BBC • Sep. 29, 2024

“The trier of fact is going to decide whether former president Trump’s conduct was illegal.”

From Salon • Oct. 16, 2023

He said “the outcome of the case will be for a Fulton County judge and trier of fact to ultimately decide.”

From Seattle Times • Sep. 29, 2023

Marks, grim and ghastly marks of those years of wear and tear, which the sunlight, that remorseless trier of woman's looks, makes quite apparent.

From The Continental Monthly, Vol. 5, No. 1, January, 1864 by Various