gate

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

total admission receipts at a sports event

passageway (as in an air terminal) where passengers can embark or disembark

supply with a gate; "The house was gated"

control with a valve or other device that functions like a gate

restrict (school boys') movement to the dormitory or campus as a means of punishment