Pos"tern (?), n. [OF. posterne, posterle, F. poterne, fr. L. posterula, fr. posterus coming after. See Posterior.]


Originally, a back door or gate; a private entrance; hence, any small door or gate.

He by a privy postern took his flight. Spenser.

Out at the postern, by the abbey wall. Shak.

2. Fort.

A subterraneous passage communicating between the parade and the main ditch, or between the ditches and the interior of the outworks.



© Webster 1913.

Pos"tern, a.

Back; being behind; private.

"The postern door."



© Webster 1913.

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