Source: The Collaborative International Dictionary of English v.0.48
Smallpox \Small"pox`\, n. [Small + pox, pocks.] (Med.)
A contagious, constitutional, febrile disease characterized
by a peculiar eruption; variola. The cutaneous eruption is at
first a collection of papules which become vesicles (first
flat, subsequently umbilicated) and then pustules, and
finally thick crusts which slough after a certain time, often
leaving a pit, or scar.
[1913 Webster]
smallpox
n 1: a highly contagious viral disease characterized by fever
and weakness and skin eruption with pustules that form
scabs that slough off leaving scars [syn: smallpox,
variola, variola major]