Origin of posternMiddle English from Old French posterne, altered from posterle from Late Latin posterula, a small back door, postern, diminutive from posterus: see posterior
Origin of posternMiddle English posterne from Old French alteration of posterle from Late Latin posterula diminutive of Latin posterus behind ; see posterior .
- A back gate, back door, side entrance, or other gateway distinct from the main entrance.
- (archaic) By extension, a separate or hidden way in or out of a place, situation etc.
- A subterranean passage communicating between the parade and the main ditch, or between the ditches and the interior of the outworks.
(comparative more postern, superlative most postern)
- Situated at the rear; posterior.