sally port

American  

noun

1. a gateway permitting the passage of a large number of troops at a time.

2. a postern.

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Etymology

Origin of sally port

First recorded in 1640–50

Example Sentences

"While in the sally port of the courthouse, Goss was unhandcuffed by the correctional officer, as Goss was not to appear before the jury in restraints," Illinois State Police said in a statement.

From Fox News • Nov. 3, 2021

She is then taken to the sally port and loaded into the transport vehicle, admitted into the treatment center and, upon return, again placed in quarantine isolation.

From Washington Post • Aug. 20, 2020

There is a closed sally port for prisoner transport.

From Washington Times • Jan. 3, 2019

Prison employees walk into work each day through a sally port, an electronically controlled chamber with one door that slides to lock behind them before a second one opens onto prison grounds.

From New York Times • Nov. 17, 2018

I envied my classmates who had been penciled-in to easy posts: patrolling the parking lot, guarding the sally port, perched atop a wall tower.

From "Newjack: Guarding Sing Sing" by Ted Conover