Postern

Definition:

• (n.) Originally, a back door or gate; a private entrance; hence, any small door or gate.
• (n.) A subterraneous passage communicating between the parade and the main ditch, or between the ditches and the interior of the outworks.
• (a.) Back; being behind; private.

Compare postern with other words:

pastern vs. postern

poster vs. postern

cistern vs. postern

posterior vs. postern

outwork vs. postern

ditch vs. postern

parade vs. postern

passage vs. postern

postern vs. subterranean

gate vs. postern

back vs. postern