Answer: moated

AnswerCrossword Clue
MOATED

Like a castle

MOATED

Surrounded by a wide ditch

MOATED

Like some castles

MOATED
Like some zoo exhibits
MOATED
Surrounded by a ditch.
MOATEDHaving a protective ditch.
MOATEDProtected, as Torquilstone Castle was.
MOATEDThe "... grange," where Mariana languished.
MOATEDLike old castles
MOATEDProtected, as a castle
MOATEDLike most castles
MOATEDLike many a castle
MOATEDLike some fortresses
MOATEDLike some castles and zoo exhibits
MOATEDLike a fortified castle
MOATEDLike many a protected castle