a stamp (usually made of rubber) for imprinting a mark or design by hand
routine authorization of an action without questions
A piece of rubber or similar material with a design or text carved or molded for the purpose of transferring ink or dye to imprint that design on another object.
To process, approve or decide matters routinely rather than through careful consideration.
Of a person, organisation, or process, making decisions or approving matters routinely or without real power.