Definition of "middle-click" [middle-click]

• To press the middle button on a computer mouse. (verb)
• To activate an item on the screen by middle-clicking while the pointer is over it. (verb)

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• "You can configure a corner of the touchpad to act as a middle-click button."
• "Say, middle-click that button to maximize vertically and right-click it to maximize horizontally."
• "For more, check out how Windows 7 creates new folders with a hotkey, maximises windows vertically with a double-click, and closes applications with a middle-click."