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Webster 1913 Edition

Noun.

One who, or that which, dubs.

Noun.

[Hind.

dabbah

A globular vessel or bottle of leather, used in India to hold ghee, oil, etc.

[Also written

dupper

M’Culloch.

dubber ‎(plural dubbers)

One who dubs, or gives a name.
- 2002, Peter R. Coss, Maurice Hugh Keen, Heraldry, Pageantry, and Social Display in Medieval England (page 199)
  […] thus to knight someone lacking in virtue dishonoured the dubber.
A person who records or adds a dubbed soundtrack to a film.
A globular vessel or bottle of leather, used in India to hold ghee, oil, etc.

person working with film

globular vessel