/ Dictionary / Index C catchment: Meaning and Definition of Find definitions for: catch•ment Pronunciation: (kach'munt), [key] — n. the act of catching water. something for catching water, as a reservoir or basin. the water that is caught in such a catchment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catchment (Thesaurus) catchline catchment area Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language