Definition of "castellation" []

• The act of making a building into a castle (noun)
• The addition of battlements to a building (noun)

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• "All along the ridge the rock cropped out, bare and bleak, but broken in rough natural castellation."
• "In summer evenings Mrs. Bolam could lie and watch the sun setting behind a castellation of sloping roofs and twisting chimneys with, in the distance, the turrets of St. Pancras St.tion darkening against a flaming sky."
• "With black ribs set close about its summit, it wears rather the appearance of a colossal castellation, an enormous fort of solid masonry, than of any natural mass of rock."