slot seam
n.— «The slot seam is very narrow only showing a sliver of fabric, when it shows more of the fabric my teacher and book called it a channel seam but I can see in the reference above she calls it a wide set slot.» —by Yorktown Road (Carol GIlbert) Flickr Dec. 14, 2008. (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...
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...