Related Clues:

• Zoo feature
• Water under the drawbridge
• Medieval security system
• Parrot's pad
• Barrier at a zoo
• Nicolas of "National Treasure"
• 54-Down defense
• Dominatrix's enclosure
• Teller's station
• Parakeet keeper
• Castle fortification
• Jail cell
• Lorikeet's home
• Animal enclosure
• ''Rib'' or ''bird'' follower