sally port

See also: sallyport

English

Alternative forms

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

sally port (plural sally ports)

  1. An opening into or entry to a fortification, usually arched, to enable a sally; a postern.
    • 1969, Mario Puzo, The Godfather, page 104:
      And so usually a trusted caporegime would be sent out to rent a secret apartment and fill it with mattresses. That apartment would be used as a sally port into the city when an offensive was mounted.
  2. An entryway controlled by two doors or gates, each of which must be closed before the other can open.

Translations
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