Pronunciation: (dok"yu-men-tā'shun, -mun-),[key] —n. 1. the use of documentary evidence.
2. a furnishing with documents, as to substantiate a claim or the data in a book or article.
3. Computers.manuals, listings, diagrams, and other hard- or soft-copy written and graphic materials that describe the use, operation, maintenance, or design of software or hardware: The documentation for the driver program is displayed on the screen.