gate

(noun) a movable barrier in a fence or wall.

(noun) a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs. Synonyms: logic gate.

(noun) total admission receipts at a sports event.

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

(verb) supply with a gate. Example: "The house was gated."

(verb) control with a valve or other device that functions like a gate.

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