1The side of an object (especially a gun or a door) on which the lock is mounted.
2The ground adjacent to a canal or river lock.
3The wall of a canal or river lock.
Early 19th century.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。