from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A piece of rubber affixed to a handle and bearing raised characters used to make ink impressions, as of names or dates.
- n. A person or body that gives perfunctory approval or endorsement of a policy without assessing its merit.
- n. A perfunctory approval or endorsement.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a person, organisation, or process, making decisions or approving matters routinely or without real power, as rubber stamp politics, a rubber stamp committee.
- n. 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.
- n. A person or organisation who approves, routinely or as a formality, matters decided by some other person or organisation.
- v. to process, approve or decide matters routinely rather than through careful consideration
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a stamp (usually made of rubber) for imprinting a mark or design by hand
- n. routine authorization of an action without questions
From rubber + stamp (Wiktionary)