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[breyn-truhst] /ˈbreɪnˌtrʌst/
verb (used with object)
to serve as a brain trust or a brain truster for:
They have brain-trusted many major corporations.

brain trust

a group of experts from various fields who serve as unofficial consultants on matters of policy and strategy.
Also, British, Brains Trust.
Origin of brain trust
An Americanism dating back to 1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Word Origin and History for brain-trust

brain trust


occasionally used since early 1900s, it became current in 1933, in reference to the intellectuals gathered by U.S. President Franklin D. Roosevelt as advisors; from brain (n.) + trust (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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brain-trust in Culture

brain trust definition

A group of experts who serve as advisers to a government or an organization: “Before being appointed to the cabinet, Brown had been a leading figure in a financial brain trust.”

brain trust definition

A group of intellectuals and planners who act as advisers, especially to a government. The phrase is particularly associated with the presidency of Franklin D. Roosevelt.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Idioms and Phrases with brain-trust

brain trust

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.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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