Definition of "trial run" []

• A test, as of performance or acceptance. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I think they worked it out together, maybe even as an academic exercise to begin with, and then, when the trial run succeeded, they did it in earnest, and then Quorn tried at the last minute to back out. '"
• "With true — bordering on obnoxious — grit, she pushes her way into a clinical trial run by brusque doc Atticus Sherman, played by Alan Alda."
• "In a trial run the previous day, a sprightlier vessel from the Egyptian navy had run aground."