/ Dictionary / Index B body bolster: Meaning and Definition of Find definitions for: bod'y bol"ster Pronunciation: [key] — Railroads. Railroads. the lower transverse member of a car body to which the body center plate is attached. Cf. truck bolster. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. body blow body Brussels Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language