U

toolbar

noun Computers.

a row or rows of buttons on a display screen that are clicked on to select various functions in a software application or web browser.

noun

a horizontal row or vertical column of selectable buttons displayed on a computer screen, allowing the user to select a variety of functions

1960 as a frame fitted to a tractor to hold tools; from tool (n.) + bar (n.1). Computer sense is attested from 1991.

Among 100-odd new features in Excel 3.0 is a row of “buttons” on the screen called the Toolbar. Located under the pull-down menus, the Toolbar provides rapid access to frequently used commands. [“Popular Science,” April 1991.]