study bank
n.— «In the UA’s Greek Life system, houses are homes not only to members but also to the tests, notes and study guides of greeks who have come before them. The tests and other materials, stuffed into filing cabinets and closets, are often referred to as “test banks” or “study banks.”» —“‘Test banks’: They exist, but should they?” by Kimberly Hill in University of Arizona Arizona Daily Wildcat (Tucson, Arizona) Nov. 14, 2007. (source: Double-Tongued Dictionary)
Further reading
Why do we write the sound of a dog barking as bow wow? Isn’t that noise more like woof, woof or arf, arf or ruff ruff? Surprisingly, the oldest of these is bow wow, or as William Shakespeare wrote in The Tempest (Bookshop|Amazon), bowgh wawgh...
Trivia time! Where in the United States can you visit Soda City? If you answered Columbia, South Carolina, you’re right! This nickname apparently derives from an old practice of abbreviating Columbia as Cola. The locals then referred to the town as...