Definition of trial run
: a testing exercise : experiment
Examples of trial run in a sentence
They will put the software through many trial runs before putting it on the market.
We will have to give the machine a trial run.
First Known Use of trial run
TRIAL RUN Defined for English Language Learners
Definition of trial run for English Language Learners
: a test in which a product or procedure is tried in order to see if it works correctly
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