/ Dictionary / Index D double-ended bolt: Meaning and Definition of Find definitions for: dou'ble-ended bolt' Pronunciation: [key] a headless bolt threaded at both ends. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double-ended double ender Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language