gate

noun

a movable barrier in a fence or wall
a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs

logic gate
passageway (as in an air terminal) where passengers can embark or disembark
total admission receipts at a sports event

verb

restrict (school boys') movement to the dormitory or campus as a means of punishment
control with a valve or other device that functions like a gate
supply with a gate
“The house was gated”