/ Dictionary / Index P preset board: Meaning and Definition of Find definitions for: pre'set board' Pronunciation: [key] a control board for setting up theatrical lighting switches and dimmer readings in advance so that during a performance the lights can be automatically operated for one or several scenes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. preset preshave Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language