Tumbler

/tˈʌmblɐ/

/ˈtəmbɫɝ/

Tumbler

a type of drinking glass with a flat bottom and no handle, typically made of glass or plastic

a gymnast who performs rolls and somersaults and twists etc.

pigeon that executes backward somersaults in flight or on the ground

synonyms : roller

a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown

Examples

1. Step number three - turn your tumbler.

2. Step number two fill the tumbler chamber.

3. I know your tumbler password.

4. I know your tumbler password.