URL: http://www.antiquusmorbus.com TITLE: Antiquus Morbus DESCRIPTION: A Glossary of Archaic Medical Terms, Diseases and Causes of Death. The Genealogist's Resource for Interpreting Causes of Death. Antiquus Morbus is a collection of old medical terms and their modern definitions. The primary focus of this web site is to help decipher the Causes of Death found on Mortality Lists, Certificates of Death and Church Death Records from the 19th century and earlier.