The American Heritage® Dictionary of the English Language, 4th Edition
n. An inflammatory disease of cattle, hogs, and sometimes humans, caused by microorganisms of the genus Actinomyces and characterized by lumpy tumors of the mouth, neck, chest, and abdomen. Also called lumpy jaw.
n. An infectious bacterial disease of cattle and swine, sometimes transmitted to man, characterized by the formation of painful abscesses in the mouth, lungs, or gastrointestinal tract.
the GNU version of the Collaborative International Dictionary of English
n. A chronic infectious disease of cattle and man due to infection with actinomycetes, especially by Actinomyces bovis in cattle and by Actinomyces israeli or Arachnia propionica in man. It is characterized by hard swellings usually in the mouth and jaw. In man the disease may also affect the abdomen or thorax. Called also lumpy jaw or big jaw.
The Century Dictionary and Cyclopedia
n. A progressive inflammatory affection caused by the presence of actinomycetes, occurring in cattle and swine, and sometimes in man.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. disease of cattle that can be transmitted to humans; results from infection with actinomycetes; characterized by hard swellings that exude pus through long sinuses
Word Usage
"-- It is a lamentable fact that some, at least, of the United States herds of prong-horned antelope are afflicted with a very deadly chronic infective disease known as actinomycosis, or lumpy-jaw."