Referring Clues

• Stage protection
• Water ring
• Castle's protection
• Tower of London feature
• Castle protector
• Part of a defense
• Castle protection
• Castle defense
• Water under the bridge
• Zoo barrier
• Attack deterrent
• Alternative to a fence
• A drawbridge spans it
• Castle encircler
• Palace protector
• A drawbridge may span one
• Part of a castle's defenses
• Water under the drawbridge
• A drawbridge might go over it
• Medieval defense
• Trench around a castle
• Ring around the castle
• Watery ditch
• Protective trench
• Castle's perimeter defense
• Castle trench
• Ditch under a lowered drawbridge
• Zoo landscaping feature
• It may replace a fence at the zoo
• Castle circler
• Castle hassle
• Barrier at a zoo
• Castle security system
• Feature in an open-air zoo
• Water-filled trench
• Medieval security system
• Sandcastle feature
• Old means of protection
• Castle's defense
• Medieval attack deterrent
• Zoo sight
• Bygone protection
• Old security device
• Drawbridge site
• Castle's trench
• Castle surrounder
• Medieval security device
• Zoo feature
• Old-time security system
• Zoo trench
• Castle feature
• Water barrier
• Defensive ring
• Castle waterway
• Castle ditch
• Ditch under a drawbridge
• Castle enclosure
• Castle's protective device
• Defensive trench
• Fortification ditch
• Castle wraparound
• Liquid defense
• Middle Ages barrier
• Medieval barrier
• Defense ditch
• Castle's protector
• Castle ring
• Dry Windsor Castle feature
• Water under the bridge?
• Means of defense, once
• Ring of water
• Wall alternative, perhaps
• Medieval invader's obstacle
• Palace protection
• Castle surround
• Zoo construction
• Medieval defense feature
• Defensive ditch
• Trench
• Advanced sandcastle feature
• Castle guard
• Protective ditch
• Gator bowl?
• Castle surroundings
• Zoo feature
• Ditch around a castle
• Zoo barrier
• Zoo's fence alternative
• Castle obstacle
• Castle-circling ditch
• Protective zoo feature
• Feature of some zoos
• Zoo protection
• Defense against a siege
• Fosse
• Castle fortification
• Fortress barrier
• Zoo channel
• Ring around a castle
• Part of a castle's defense
• Middle Ages defense
• Modern zoo barrier
• Castle barrier
• Castle security
• Barrier in a modern zoo
• Drawbridge spot
• Castle's watery defense
• Water hazard of a sort
• Castle wall's neighbor
• Asset in a castle siege
• Rampart protector
• Drawbridge locale
• Pest control device in bonsai
• Water around a castle
• Croc's home, maybe
• Animal park barrier
• Feature of the Tokyo Imperial Palace
• Feature of a modern zoo
• Certain siege defense
• It's water under the bridge
• Medieval fortification
• It surrounded the Wicked Witch's home
• What a drawbridge might cover
• Certain barrier to entry
• A drawbridge may span it
• Defense that may be all wet
• Watery fortification
• Safety feature for zoo visitors
• Home to a zoo crocodile, perhaps
• Onetime Tower of London surrounder
• Castle's water protection
• Water with no endpoint
• Keep guard
• Castle's ditch
• Defense for a castle
• Waterway around a castle
• Castle's watery surrounding
• Splitting the atom in a ditch
• Medieval protection
• Castle's waterway
• Protective waterway around a castle
• Ditch surrounding a castle
• Ditch used as a defence
• A defensive all-rounder
• Water crossed via a drawbridge
• It should contain enough water to go round
• Water-filled ditch around stronghold
• All-round defence in depth?
• Trench around castle
• Trench around building
• Water round a castle
• Barrier to entry?
• Means of protection against invasion
• Battering-ram countermeasure
• Water under the bridge?
• Castle water barrier
• Castle's defensive ditch
• Trench around fortifications
• Last ditch defence?
• Flightless bird caught finally in ditch
• Defensive ditch that goes around the Tower of London
• Defence measure
• Water-filled trench surrounding a castle
• Watery defense, perhaps
• Water around a 45 Down
• Ditch filled with water
• Castle's circler
• One has ditchwater? There's nothing that's dull about it!
• A drawbridge might span one
• Feature of Japan's Matsumoto Castle
• Castle's watery surroundings
• Zoo barrier, perhaps
• Castle's watery ring
• Castle or zoo barrier
• A drawbridge's waterway
• A drawbridge may cross one
• Defence feature
• Protective excavation
• Ring around a fortress
• Castle-storming hurdle
• Former Tower of London protector
• Ring of water around a castle
• Zoo ditch
• Wicked Witch of the West protector
• Protective channel
• Water barrier at a zoo
• Feature of Tokyo's Imperial Palace
• Circle of water
• A drawbridge might cross one
• Fortress defense
• There's something dry about the Tower of London
• Medieval castle's liquid asset
• Means of defense that doesn't actually have alligators
• What a drawbridge may bridge
• Ditch
• What my castle's drawbridge covers
• The castle's crocodiles may be in it
• Castle security trench
• What a drawbridge crosses
• Water surrounding a castle
• Bad place to swim near a castle
• Protector with a drawbridge over it
• Guard seen around a castle
• The castle's crocodiles live here
• Aquatic protection
• What surrounds a castle
• Water repellent?
• Barrier in certain zoo enclosures
• What a drawbridge may cross
• Water-filled ditch around a castle
• A castle's drawbridge may cover it
• Medieval castle's defense
• Defense from some attackers
• Watery defense
• Watery castle defense
• Defensive excavation
• Ditch of defense
• Obstacle for a would-be castle attacker
• Wall alternative
• What a drawbridge might cross