The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A pre-computer filing method in which cards are arranged in shallow drawers so that a portion of each card is always visible, allowing for quick scanning and retrieval; it uses an overlapping design to make the information on each card accessible without needing to pull it out completely. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.