/ Dictionary / Index B bed bolt: Meaning and Definition of Find definitions for: bed' bolt" Pronunciation: [key] a bolt on a bed for attaching a side rail to the head or foot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bed board bedbug Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language