/ Dictionary / Index J Jacob ben Asher: Meaning and Definition of Find definitions for: Ja•cob ben Ash•er Pronunciation: ( jā'kub ben ash'ur), [key] c1269–c1340, Hebrew commentator on the Bible and codifier of Jewish law. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jacob Jacobean Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language