sally port

American  

noun

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

2. a postern.

---

Etymology

Origin of sally port

First recorded in 1640–50

Example Sentences

Chess, by and large, is a war game played by nonmartial people who would have trouble identifying the business end of an M16 or explaining the difference between an embrasure and a sally port.

From Washington Times

The Dropbox links in Baskervill’s filing also included footage of Otieno and sheriff’s deputies arriving at the hospital’s sally port March 6, as well as 911 recordings of hospital workers apparently calling for help after the incident, and other emergency communications.

From Washington Post

A court officer then used his key card to open the door to a sally port and released the man out the back door, the statement said.

From New York Times

"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

Border Patrol stations were so overcrowded that agents began using the “sally port” areas outside the stations — little more than outdoor garages — as holding pens.

From Washington Post