| Postern 1. (n.) Originally, a back door or gate; a private entrance; hence, any small door or gate. 2. (n.) A subterraneous passage communicating between the parade and the main ditch, or between the ditches and the interior of the outworks. 3. (a.) Back; being behind; private. Thesaurus Entries French door, aft, after, aftermost, afterpart, afterpiece, archway, back, back door, back seat, back side, backward, barway, behind, breech, bulkhead, carriage entrance, cellar door, cellarway, door, doorjamb, doorpost, doorway, front door, gate, gatepost, gateway, hatch, hatchway, heel, hind, hind end, hind part, hinder, hindermost, hindhand, hindhead, hindmost, lintel, occiput, porch, portal, porte cochere, posterior, propylaeum, pylon, rear, rear end, rearmost, rearward, retrograde, reverse, scuttle, side door, stern, stile, storm door, tail, tail end, tailpiece, threshold, tollgate, trap, trap door, turnpike, turnstile |