a high wide wall of stone or earth with a path on top, built around a castle, town, etc. to defend it 壁垒；城墙 Visitors can walk along the castle ramparts. 游客可以沿着城堡的城墙走。
Word Originlate 16th cent.: from French rempart, from remparer ‘fortify, take possession of again’, based on Latin ante ‘before’ + parare ‘prepare’.