Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Newspapers, printing, publishingerratumer‧ra‧tum /eˈrɑːtəm/ noun (plural errata /-tə/) [countable] technicalTCN a mistake in a book, shown in a list added after the book is printedOrigin erratum (1500-1600) Latin past participle of errare; → ERR ldoceonline.com