foot and mouth Definition

an acute contagious febrile disease especially of cloven-footed animals that is caused by serotypes of a picornavirus (species Foot-and-mouth disease virus of the genus Aphthovirus) and is marked by ulcerating vesicles in the mouth, about the hooves, and on the udder and teats —called also foot-and-mouth, hoof-and-mouth disease

a usually mild contagious disease especially of young children that is caused by an enterovirus (species Human enterovirus A, especially serotype Human coxsackievirus A16) and is characterized by vesicular lesions chiefly in the mouth and on the hands and feet