In natural history, same as epizoic, 1.
In geology, containing fossil remains: said of mountains, rocks, formations, and the like.
Prevailing among the lower animals: applied to diseases, and corresponding to epidemic as applied to diseases prevalent among men.
noun.
The temporary prevalence of a disease among brutes at a certain place: used in exactly the same way as epidemic in reference to human beings.
noun.
A disease thus prevalent.