postern /posˈtərn or pōˈstərn/

1. A back door or gate
2. A small private door
3. A sallyport (qv under sally¹)

1. (of a door, gate, etc) back
2. Private

• keystroke
• keystroke logging
• keystrokes
• keystroking
• keystrokings
• keyway
• keyways
• keyword
• keyword-in-context
• keywords
• keyworker
• keyworkers
• KFAT
• KFOR
• kg
• KG
• KGB
• kgotla
• kgotlas
• kgy
• khaddar
• khaddars
• khadi
• khadis
• khaki