/ Dictionary / Index B Blackstone: Meaning and Definition of Find definitions for: Black•stone Pronunciation: (blak'stōn" for 1 also blak'st&schwan), [key] — n. 1723–80, English jurist and writer on law. a river in S Massachusetts, flowing SE across NE Rhode Island to Pawtucket. ab. 40 mi. (64 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black stem blackstrap molasses Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language