witness mark
n.— «Stanley Bostitch has developed a fixing gun designed for both industrial and construction applications. Its 23 Gauge Headless Pinner boasts a magazine that needs no adjustment for varying pin lengths and gives a clean finish clear of witness marks.» —“In Stock” Construction News Jan. 13, 2005. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Oenophiles are known for their evocative writing about wine, but that’s also true for sophisticated bourbon lovers. Some sensuous tasting notes from bourbon expert Susan Reigler from American Whiskey magazine serve as a case in point. This is part...