moat
Fortress water ring
A moat is a deep, wide ditch surrounding a castle or fortified place, typically filled with water to prevent attack.
The word extends to any protective barrier: a moat of lawyers, regulatory moats that protect established companies from competition.
In business strategy, a moat is a competitive advantage that shields a company from rivals.
Act of unearthing
- earthworkConstructed soil structure
- fosseDefensive ditch or trench
- ruinsDecayed structural remains
- trenchLong narrow excavation
foundation · enclosure · rampart · ditch · midden · well · hearth · terracing
Hinged castle entrance span
- keepRetain or fortified tower
- turretProtruding fortified structure
- portcullisVertical sliding castle gate
- baileyCastle's enclosed courtyard
battlement · dungeon · rampart · courtyard · gatehouse · tower · parapet · barbican
Shallow excavated channel
- trenchLong narrow excavation
- perimeterShape's outer edge length
- boundaryLine marking a limit
- obstacleSomething blocking the way
defensive · palisade · enclosure · fortification · bulwark · entrenchment · stockade · barricade
excavation
Act of unearthing
trench · foundation · enclosure · rampart · ditch · midden · well · hearth · terracing · artifact
drawbridge
Hinged castle entrance span
- keepRetain or fortified tower
- turretProtruding fortified structure
- portcullisVertical sliding castle gate
bailey · battlement · dungeon · rampart · courtyard · gatehouse · tower · parapet · barbican · curtain wall
ditch
Shallow excavated channel
obstacle · defensive · palisade · enclosure · fortification · bulwark · entrenchment · stockade · barricade · hindrance
drawbridge
Hinged castle entrance span
- lily padsFloating aquatic foliage
- duckweedMinute aquatic floating plant
- algaePrimitive aquatic photosynthesizers
reeds · reflection · fish · frogs · tadpoles · stagnant · murky · pond · bank · silt
feudalism
Land-for-service social structure
- knightsTitled warriors on horseback
- chivalryKnightly code of honor
- joustingMounted knightly combat sport
heraldry · serfs · vassals · fiefdom · tournaments · trebuchet · catapult · siege warfare · crusades · squire
- castleskeep, drawbridge, dungeon, turret, battlements
- medieval warfareknights, siege warfare, castle, castle siege, siege
- castle partskeep, drawbridge, battlement, tower, gatehouse
- fortificationsfort, fortress, fortresses, citadel, citadels
- medieval itemssword, mace, flail, dagger, crossbow
- historical warfaremusket, bayonet, cannon, flintlock, cavalry
moatwall
Vertical enclosing structure
rampart · palisade · curtain wall · fence · barricade
- castle moatWater trench around fortification