/ Dictionary / Index W window board: Meaning and Definition of Find definitions for: win'dow board" Pronunciation: [key] a thin board serving as a stool of a window. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. window blind window box Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language