barbican /bärˈbi-kən/

1. A projecting watchtower over the gate of a castle or fortified town
2. Esp the outwork intended to defend the drawbridge

• doorcases
• door-cheek
• door-cheeks
• do-or-die
• doorframe
• doorframes
• doorkeeper
• doorkeepers
• doorknob
• doorknobs
• doorknock
• doorknocker
• doorknockers
• doorknocks
• doorman
• doormat
• doormats
• doormen
• doorn
• doornail
• doornails
• doornboom
• doornbooms
• doorns
• door-plate