noun
: either of two virus-induced encephalomyelitides chiefly attacking equines and man in various parts of No. America — called also eastern equine encephalomyelitis, western equine encephalomyelitis according to the region of usual occurrence
noun
: either of two virus-induced encephalomyelitides chiefly attacking equines and man in various parts of No. America — called also eastern equine encephalomyelitis, western equine encephalomyelitis according to the region of usual occurrence
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012