/ Dictionary / Index F fouling: Meaning and Definition of Find definitions for: foul•ing Pronunciation: (fou'ling), [key] — n. an encrusted deposit, esp. on a submerged object, as the hull of a ship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fouling (Thesaurus) fouled-up foul line Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language