What does the English word dolly mean?

Dictionary explanation

Noun n. [C]

1. (child talk) doll

2. Beauty (carrying heavy objects Used) trolley

3. Mobile camera cart for movies (movies, etc.)

4. Square ore washing device, pestle and mortar

5. Riveting rod , rivet head type

6. British laundry stirrer

Intransitive verb vi.

1. Beautiful (when shooting) mobile camera [( +in/out)]

Transitive verb vt.

1. Use mobile vehicles to move (cameras, etc.)