/ Dictionary / Index B board of trustees: Meaning and Definition of Find definitions for: board' of trustees' Pronunciation: [key] an appointed or elective board that supervises the affairs of a public or private organization: the board of trustees of the university; the art museum's board of trustees. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. board of trade boardroom Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language