think tank(redirected from a think tank)
An organization or group of people working to perform research and propose solutions and courses of action to another organization or group, often political parties, government bodies, or the military. President Ronald Reagan based many of his policies on the results of a study done by the Heritage Foundation, an influential conservative think tank.
A group or organization dedicated to problem-solving and research, especially in such areas as technology, social or political strategy, and the military. For example, The congressional leaders rely too heavily on that conservative think tank. This term originated about 1900 as a facetious colloquialism for brain and was given its new meaning about 1950.