gate
v.— «Gating means that the parole board sends back to prison inmates going out of the prison gates on mandatory supervision. The law requires that prisoners who have served two-thirds of their sentence be released to serve the last third under the mandatory supervision of parole officers.» —“‘Gating’ of prisoners disallowed by court” by Marina Strauss Globe and Mail (Toronto, Can.) Jan. 28, 1983. (source: Double-Tongued Dictionary)