epi·zo·ot·ic noun \ˌep-ə-zə-ˈwät-ik\
: an outbreak of disease affecting many animals of one kind at the same time; also : the disease itself
—epi·zo·ot·i·cal·ly \-i-k(ə-)lē\ adverb
Seen & Heard
What made you want to look up epizootic? Please tell us where you read or heard it (including the quote, if possible).