beautiful vault
n.— «Slot machines are sometimes called “beautiful vaults” in the industry because they bring in nearly three-quarters of the roughly $60 billion in gambling revenue that American casinos generate.» —“Slot Machines for the Young and Active” by Gary Rivlin New York Times Dec. 10, 2007. (source: Double-Tongued Dictionary)
Further reading
A librarian opens a book and finds a mysterious invitation scribbled on the back of a business card. Another discovers a child’s letter to the Tooth Fairy, tucked into a book decades ago. What stories are left untold by these forgotten...
Old. Elderly. Senior. Why are we so uncomfortable when we talk about reaching a certain point in life? An 82-year-old seeks a more positive term to describe how she feels about her age. And: a linguist helps solve a famous kidnapping case, using the...