Source : Webster's Revised Unabridged Dictionary (1913)
Actinomycosis \Ac`ti*no*my*co"sis\, n. [NL.] (Med.)
A chronic infectious disease of cattle and man due to the
presence of {Actinomyces bovis}. It causes local suppurating
tumors, esp. about the jaw. Called also {lumpy jaw} or {big
jaw}. -- {Ac`ti*no*my*cot"ic}, a.
Source : WordNet®
actinomycosis
n : disease of cattle that can be transmitted to humans; results
from infection with actinomycetes; characterized by hard
swellings that exude pus through long sinuses