brain trust(redirected from a brain trust)
A group of experts who are chosen to be advisors to a person in power and aid in making important decisions. All politicians need a brain trust to help guide them through the campaign process and stay informed of the important issues facing their constituency.
A group of experts who serve as unofficial but vital advisers. For example, Each town manager seemed to have his or her own brain trust, which of course changed with every election . This term, closely associated with President Franklin Roosevelt's advisers on domestic and foreign policy in the early 1930s, was first recorded in 1910.