/ Dictionary / Index B box spring: Meaning and Definition of Find definitions for: box' spring" Pronunciation: [key] an upholstered bedspring composed of a number of helical springs, each in a cylindrical cloth pocket. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. box social box stall Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language