castellated

Castle-like: built or shaped like a castle; usually, specifically, having castellations (crenellations).

Near-synonym: crenellated

...A Castellated mansion...

Having grooves or recesses on an upper face.

Near-synonym: crenellated

Castellated nuts are used throughout, with split pins.

Castled: having or furnished with castles.

...This castellated island...

Housed or kept in a castle.

His unbiassed justice... struck horror into the heart of every castellated felon.

Synonym of enclosed, when used for fountains, cisterns, &c.

A fayre Conduite of sweete water, castellated in the middest of that warde and streete...