/ Dictionary / Index B boost-start: Meaning and Definition of Find definitions for: boost-start Pronunciation: (bst'stärt"), [key] — v.t. Auto. jump-start. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. booster seat boot Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language