lockopener
nounUK /ˈlɒkˌəʊpənə/
US /ˈlɑːkˌoʊpənər/
A lockopener is a tool or person that opens locks.
The locksmith used a lockopener to open the door.
OTHER MEANINGS
2. A device that releases a lock without the original key.
He bought a lockopener to get into his old suitcase.
3. A person who opens locks for a living.
The lockopener arrived quickly when we were locked out.
4. A key or tool used to open a specific type of lock.
This small lockopener works on bike locks.