cox·sack·ie·vi·rus also Cox·sack·ie virus (kk-säkē-vī′rəs, kŏk-săkē-)
n.
Any of a group of enteroviruses that are associated with a variety of diseases, including meningitis, myocarditis, and pericarditis, and primarily affect children during the summer months.
[After Coxsackie, a village of east-central New York.]