amurallado

adj. walled

v. wall off, wall

= walled.
Ex: Rather than being walled, heavily fortified structures, these forts tended to be open collections of buildings, with barracks and quarters.
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* jardín amurallado = walled garden.
* pueblo amurallado = walled town.

= wall.
Ex: It was not extensively inhabited until the later half of the 13th c., and not walled until the later 13th or early 14th c..