title barn.
/ˈtʌɪtl bɑː/, U.S. /ˈtaɪd(ə)l ˌbɑr/ Computing.
A horizontal bar at the top of a program window, used to display information such as the name of the program in use, the file or web page that is open, etc.The title bar of a window also typically features icons used to close, minimize, or restore the window, and can be clicked and dragged to move the window across the screen.
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1983 Byte Dec. 50/2 You can move either window by grabbing its title bar with the mouse.
2016 N.Y. Times (National ed.) 14 Jan. b7/5 Other buttons along the bottom edge of the Customize Firefox box turn the browser's title bar on or off.
This entry has been updated (OED Third Edition, March 2019; most recently modified version published online March 2022).
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n.1983