/ Dictionary / Index C capping: Meaning and Definition of Find definitions for: cap•ping Pronunciation: (kap'ing), [key] — n. Mining. overburden (def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: capping (Thesaurus) capper capping fee Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language