/ Dictionary / Index S seepage: Meaning and Definition of Find definitions for: seep•age Pronunciation: (sē'pij), [key] — n. the act or process of seeping; leakage. something that seeps or leaks out. a quantity that has seeped out. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seepage (Thesaurus) seep seepage pit Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language