IPA: /ˈpɪk.lɒk/
KK: /ˈpɪkˌlɒk/
A person or tool that is used to open locks without a key, often associated with illegal activities.
The thief used a picklock to break into the house.
Picklock → It is formed from "pick" (from Old English "piccan", meaning to pierce or to poke) and "lock" (from Old English "locc", meaning a fastening or a device for securing). The word "picklock" refers to a tool used to pierce or manipulate a lock to open it without a key.
Think of 'picking' or 'piercing' a 'lock' to remember that a picklock is a tool used to open locks without a key.