clearinghouse Syllabification: (clear·ing·house)Pronunciation: /ˈkli(ə)riNGˌhous/ (also clearing house, abbreviation: c.h. or C.H.)Definition of clearinghouse noun a bankers' establishment where checks and bills from member banks are exchanged, so that only the balances need be paid in cash. an agency or organization that collects and distributes something, especially information. clearinghouse in other Oxford dictionaries Definition of clearinghouse in the British & World English dictionary