Crossword clues for the word: POSTERN The word POSTERN has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for POSTERN Showing 1 to 10 of 10 results Clue(s) "Christie's ""___ of Fate""" Artwork above new rear entrance Back door or gate Back entrance in Bill Clinton's bottom Back gate Castle door. Private back gate. Private entrance Private entrance in back behind Post Office (7) Secondary entrance