/ Dictionary / Index J Jacobsen: Meaning and Definition of Find definitions for: Ja•cob•sen Pronunciation: (yä'kôp-sun), [key] 1847–85, Danish novelist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jacobs jacobsite Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language