varicella

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about varicella at Wordnik → Where our words come from →

1. An acute, highly contagious pathogenic disease caused by the varicella zoster virus, primarily affecting children and characterized by a widespread eruptive skin rash of itchy blisters;chicken pox
2. Any of various other eruptive diseases, such as swinepox, hives, and varioloid.