From Longman Dictionary of Contemporary Englishmarriage certificateˈmarriage cerˌtificate noun [countable] SCLan official document that proves that two people are married
Examples from the Corpus
marriage certificate• The Law Society will require evidence such as a marriage certificate, deed poll or statutory declaration.• We both believed that a marriage certificate wasn't that important.• A marriage certificate in London and the telephone book had done the work for him.• Police were not interested in her marriage certificate, her permit to leave home or her temporary residence card for Zhuhai.• No baptism has been traced, though his marriage certificate records him as the son of John Crockford, schoolmaster.• Spouses or newly-weds should carry a copy of their marriage certificate where passports and rickets are in different names.• Your marriage certificate is a couple of pounds extra. 