chickenpox
Concise Oxford English Dictionary © 2008 Oxford University Press:
chickenpox/ˈtʃɪkɪnpɒks/
▶noun an infectious disease causing a mild fever and a rash of itchy inflamed pimples, caused by the varicella zoster virus; varicella.
– origin C18: prob. so named because of its mildness, as compared to smallpox.
'chickenpox' also found in these Oxford entries:
