from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A row of buttons or graphical controls on a computer screen that represent open programs, among which the user can switch back and forth by clicking on the appropriate one.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The application desktop bar which is used to launch and monitor applications in Microsoft Windows 95 and later operating systems.
task + bar (Wiktionary)