sally port


noun (in a fort or the like)

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

Origin of sally port

First recorded in 1640–50

Example sentences from the Web for sallyport

British Dictionary definitions for sallyport

sallyport
/ (ˈsælɪˌpɔːt) /

noun

an opening in a fortified place from which troops may make a sally