applicationwindow
nounUK /ˌæplɪˈkeɪʃən ˈwɪndəʊ/
US /ˌæplɪˈkeɪʃən ˈwɪndoʊ/
A box on a computer screen where you use a program.
Click the X to close the application window.
RELATED WORDS
OTHER MEANINGS
2. The main frame of a software program that holds its menus and tools.
The application window has a menu bar at the top.
3. A separate viewing area opened by an app for a document or task.
She opened a new application window to compare two files.
4. The visible boundary of a running program on a graphical display.
Drag the application window to the other monitor.