noun
1. : a chapped inflamed condition of the skin of the legs and belly of a horse due to irritation from mud or drying resulting from washing off mud-spatters and closely related or identical in nature to grease heel
2. : a severe enteritis of turkeys
3. : a mild leptospirosis that occurs chiefly in European agricultural and other workers in wet soil, is caused by infection with an organism ( Leptospira grippotyphosa ) present in native field mice, and is marked by fever and headache without accompanying jaundice