上锁 Traditional form: 上鎖 Pinyin (reading): shàngsuǒ Definitions: to lock; to be locked Characters: 上 - above, on top, superior; to go up; to attend; previous 锁 - lock, padlock; chains, shackles Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 鎖 - lock, padlock; chains, shackles