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

• underkept
• underking
• underkingdom
• underkingdoms
• underkings
• underlaid
• underlain
• underlap
• underlapped
• underlapping
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• underlay
• underlayer
• underlayers
• underlaying
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• underlease
• underleased
• underleases
• underleasing
• underlet
• underlets
• underletter
• underletters
• underletting