/ Dictionary / Index F Fort Jackson: Meaning and Definition of Find definitions for: Fort" Jack'son Pronunciation: [key] a military reservation and U.S. Army training center in N central South Carolina, NE of Columbia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fortitudinous Fort Jefferson 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