variola

The pustular apothecium occurring on certain lichens.

Smallpox; a specific contagious disease characterized by an eruption of papules, becoming vesicular and then pustular, and attended by high fever, racking pains in the head and spine, and severe constitutional disturbance.

[capitalized] [NL. (Swainson, 1839).] A genus of fishes

The smallpox.

smallpox

a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars