/ Dictionary / Index B black beauty: Meaning and Definition of Find definitions for: black' beau'ty Pronunciation: [key] — Slang. Slang. a Biphetamine capsule. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Blackbeard blackbeetle Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language