柯林斯詞典parapet /?p?r?p?t/ (parapets) 1. N-COUNT A parapet is a low wall along the edge of something high such as a bridge or roof. 護牆 返回 parapet劍橋詞典a low wall along the edge of a roof , bridge , etc. （屋頂、橋等旁邊的）矮護牆，女兒牆 習語put your head over/above the parapet 返回 parapet