postern

Noun

1. A back gate, back door, side entrance, or other gateway distinct from the main entrance, especially in a city wall or fortification.
2. (archaic, broadly) A separate or hidden way in or out of a place, situation etc.
3. (historical) A subterranean passage communicating between the parade and the main ditch, or between the ditches and the interior of the outworks.

Adj

Situated at the rear; posterior.

Pronounced as (IPA)

/ˈpɒst(ə)n/

Etymology

From Old French posterne, alteration of posterle, from Late Latin posterula (“back door”), from Latin posterus (“later”).

Synonyms

backdoor

back door

backside

breech

buttocks

rump

side door

subsequent

access door

wicket door

blind pass