witness mark
n.— «There may be witness marks (scrapes and gouges) on the road surface that may suggest a post-impact movement of a vehicle.» —by George A. Peters, Barbara J. Peters Automotive Vehicle Safety Dec., 2002. (source: Double-Tongued Dictionary)
Further reading
If you take up texting and social media late in life, there’s a lot to learn! A twenty-something wants advice getting her dad up to speed on memes, Instagram, and animated images. Plus, when you’re on a long road trip, what do you call that one...
When she was a child, Chris from Santa Rosa, California, misunderstood the definition of the word vehicle—with amusing results. This is part of a complete episode. Transcript of “Wearing a Train, at That Age?” We often talk on the show about...