Definition of "trialist" [trialist]

• A person who takes part in a trial (of a drug etc.) (noun)

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• "A Major League Soccer source said the deal is not official, but Eduardo has been training in San Jose, where he practiced as a "trialist" at the end of last season."
• "However, historians claim that the 42-year-old was only a "trialist" for the Ibrox side and just played in testimonial matches."
• "He has improved a lot on the climbs and is also a good time trialist, meaning he can aim to do well overall at Tirreno-Adriatico."