meaning of anthrax
1. A carbuncle.
2. A malignant pustule.
3. A microscopic, bacterial organism (Bacillus anthracis), resembling transparent rods. [See Illust. under Bacillus. ]
4. An infectious disease of cattle and sheep. It is ascribed to the presence of a rod-shaped bacterium (Bacillus anthracis), the spores of which constitute the contagious matter. It may be transmitted to man by inoculation. The spleen becomes greatly enlarged and filled with bacteria. Called also splenic fever.
5. a species of Bacillus that causes anthrax in humans and in animals cattle and swine and sheep and sheep and rabbits and mice and guinea pigs; can be used a bioweapon