元となった辞書の項目
鎖
noun
the closing and locking of a door or gate / a door or gate so closed and locked / a bar or other device used to lock a door or gate
意味（1）
the closing and locking of a door or gate
意味（2）
a door or gate so closed and locked
意味（3）
a bar or other device used to lock a door or gate
