TE DEUM Meaning of TE DEUM in English [ ti:'di:əm , teɪ 'deɪəm ]■ noun a hymn beginning ~ laudamus , ‘We praise Thee, O God’, sung at matins or on special occasions such as a thanksgiving.Originfrom L. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004