moat; fosse; canal; ditch
moat; fosse; trench; ditch
inner moat; moat within the castle walls
moated settlement (Yayoi period)
water jump (on a racetrack, etc.); moat (around a castle, etc.)
Japan-Australia; Japanese-Australian
White Australia Policy (pre-1965 Australian immigration policy)
sea wasp (Chironex fleckeri)