/ Dictionary / Index B B.S.Trans.: Meaning and Definition of Find definitions for: B.S.Trans. Pronunciation: [key] Bachelor of Science in Transportation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B star B supply 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