gate1

noun

• 1a hinged barrier used to close an opening in a wall, fence, or hedge: she closed the front gate figurativethey were opening the gates of their country wide to the enemy
• a gateway:she went out through the gate
• an exit from an airport building to an aircraft:a departure gate
• [in names] a mountain pass or other natural passage:the Golden Gate

• 2the number of people who pay to enter a sports ground for an event:an average home gate of more than 12,000
• the money taken for admission.

• 3a device resembling a gate in structure or function, in particular:
• a hinged or sliding barrier for controlling the flow of water:a sluice gate
• an arrangement of slots into which the gear lever of a motor vehicle moves to engage each gear.
• a device for holding each frame of a film in position behind the lens of a camera or projector.

• 4an electric circuit with an output which depends on the combination of several inputs:a logic gate
• the part of a field-effect transistor to which a signal is applied to control the resistance of the conductive channel of the device.

verb

• confine (a pupil or student) to school or college:he was gated for the rest of term