- a contagious disease chiefly of horses and mules but communicable to humans, caused by the bacterium Pseudomonas mallei and characterized by swellings beneath the jaw and a profuse mucous discharge from the nostrils.
- a highly infectious bacterial disease of horses, sometimes transmitted to man, caused by Actinobacillus mallei and characterized by inflammation and ulceration of the mucous membranes of the air passages, skin, and lymph glands
