MOAT

Palace guard?

• A drawbridge may span one

• A drawbridge might go over it

• A drawbridge spans it

• Advanced sandcastle feature

• Alternative to a fence

• Attack deterrent

• Barrier at a zoo

• Battering-ram countermeasure

• Bygone protection

• Castle adjunct

• Castle barrier

• Castle circler

• Castle crossing

• Castle defense

• Castle ditch

• Castle enclosure

• Castle feature

• Castle fortification

• Castle guard

• Castle hassle

• Castle obstacle

• Castle protection

• Castle ring

• Castle security system

• Castle surrounder

• Castle surrounding

• Castle trench

• Castle waterway

• Castle wraparound

• Castle-circling ditch

• Castle-storming hassle

• Castle's Keep Out device

• Castle's catchall

• Castle's perimeter defense

• Castle's protective device

• Castle's protective feature

• Castle's protector

• Castle's surroundings

• Circular defense

• Croc's home, maybe

• Defense ditch

• Defense mechanism

• Defense of sorts

• Defensive depression

• Defensive excavation

• Defensive ring

• Defensive trench

• Ditch around a castle

• Ditch neath a drawbridge

• Ditch under a drawbridge

• Ditch under a lowered drawbridge

• Drawbridge necessitator

• Drawbridge site

• Drawbridge's locale

• Drive-through safari feature

• Dry Windsor Castle feature

• Feature in an open-air zoo

• Feature of some zoos

• Feudal defense

• Fortification ditch

• Fortress barrier

• Fortress feature

• Fortress fosse

• Fortress protection

• Fortress surrounder

• Fosse

• It may have the castle surrounded

• It may hold the fort

• It may replace a fence at the zoo

• It's under a drawbridge

• Keep guard

• King's protection

• King's traditional protection

• Liquid defense

• Means of defense, once

• Medieval attack deterrent

• Medieval barrier

• Medieval defense

• Medieval defense feature

• Medieval invader's obstacle

• Medieval protection

• Medieval protection against invasion

• Medieval security device

• Medieval security system

• Middle Ages barrier

• Middle Ages defense

• Modern zoo barrier

• Modern zoo feature

• Modern zoo sight

• Old means of protection

• Old protection

• Old security device

• Old-time security system

• Onetime means of defense

• Palace protection

• Part of a castle's defense

• Part of a defense

• Protective channel

• Protective ditch

• Protective ditch at Mo.

• Protective feature

• Protective ring

• Protective trench

• Protective zoo feature

• Rampart protector

• Rampart surrounder

• Rampart trench

• Regal protection

• Ring around a castle

• Ring around a fort

• Ring around the castle

• Ring around the rampart

• Ring of water

• Sandcastle feature

• Siege defense

• Stage protection

• Torquilstone defense

• Tower of London feature

• Trench

• Trench around a castle

• Trench below a drawbridge

• Wall alternative, perhaps

• Water around a castle

• Water barrier

• Water hazard

• Water ring

• Water under the bridge

• Water under the bridge, perhaps

• Water under the drawbridge

• Water-filled trench

• Watery ditch

• Watery trench

• Wet circle

• What a drawbridge crosses

• Zoo barrier

• Zoo barrier, sometimes

• Zoo construction

• Zoo feature

• Zoo landscaping feature

• Zoo protection

• Zoo sight

• Zoo trench

• Zoo's fence alternative

• Zoo's swimming hole

• Ditch dug as a fortification and usually filled with water