We can definite : A zoonotic disease is a disease that can be passed between animals and humans. Zoonotic diseases can be caused by viruses, bacteria, parasites, and fungi.
zoonotic disease :disease that can be transmitted from animalis to people or more specifically , adisease that normmally exists in animalis but that can infect humans
Zoonotic diseases are those diseases or infections which are transmissible from vertebrate animals to humans. Bovine tuberculosis, brucellosis, leptospirosis, rabies, rat-bite fever, toxoplasmosis etc. are the examples of zoonotic diseases.