combination dial
nounUK /ˌkɒmbɪˈneɪʃən ˈdaɪəl/
US /ˌkɑːmbɪˈneɪʃən ˈdaɪəl/
A round part with numbers on a lock that you turn to open it.
She turned the combination dial to the right numbers and the lock clicked open.
RELATED WORDS
OTHER MEANINGS
2. The rotating numbered disc on a safe or padlock used to enter a secret code.
The thief tried to guess the combination dial's setting but failed.
3. A dial mechanism that requires a specific sequence of numbers to unlock.
He spun the combination dial three times before pulling the shackle.
4. The part of a combination lock that shows the numbers you must line up.
The combination dial was worn smooth from years of use.