Also found in: Dictionary, Thesaurus, Wikipedia.
Related to catarrhal fever: bovine malignant catarrh
old term for the group of respiratory tract diseases including the common cold, influenza, and lobular and lobar pneumonia.
catarrhal fever(1) An obsolete, nonspecific term once applied to various respiratory and upper respiratory infections, including the common cold, influenza, pneumonia and bronchopneumonia.
(2) Malignant catarrhal fever, bovine malignant catarrh.