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
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...