/ Dictionary / Index W window box: Meaning and Definition of Find definitions for: win'dow box" Pronunciation: [key] a box for growing plants, placed at or in a window. a hollow space in a window frame for a sash weight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. window board window dresser Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language