Illustrated Architecture Dictionary

Loophole / Loop window / Arrow loop

Arrow loop / loophole: A vertical slit for archers in medieval fortification walls, with jambs deeply splayed toward the interior

Loop: a loophole

Loop window: A long, narrow, vertical opening, usually widening inward, cut in a medieval wall, parapet, or fortification for use in by archers; an arrow loop

A Gothic castle style feature.

---

Examples in Buffalo:

• Left - illustration above: Loophole - Connecticut Street Armory
  
  
• Connecticut Street Armory


• St. John's United Evangelical Church / St. John's United Church of Christ
  
  
• Right illustration above: - Loop window: Connecticut Street Armory
  

Examples out of Buffalo:

• Château de Bourdeilles, France
  
  
• Church of St. Andrew, Cracow (Krakow), Poland
  
  
• Albany City Hall