a fence made of strong wooden or metal posts that are pointed at the top, especially used to protect a building in the past 木栅栏；金属栅栏 - palisades[plural] (US English)
a line of high steep cliffs, especially along a river or by the sea or ocean （尤指河边、海边的）绝壁，峭壁
Word Originearly 17th cent.: from French palissade, from Provençal palissada, from palissa ‘paling’, based on Latin palus ‘stake’.