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

• tho’
• thrae
• thraldom
• thraldoms
• thrall
• thralldom
• thralldoms
• thralled
• thralling
• thralls
• thrang
• thrapple
• thrappled
• thrapples
• thrappling
• thrash
• thrashed
• thrasher
• thrashers
• thrashes
• thrashing
• thrashing-floor
• thrashing-machine
• thrashing-mill
• thrashings