pseudorabies Syllabification: (pseu·do·ra·bies)Pronunciation: /ˌso͞odōˈrābēz/Definition of pseudorabies noun Veterinary Medicine an infectious herpesvirus disease of the central nervous system in domestic animals that causes convulsions and intense itching and is usually fatal. pseudorabies in other Oxford dictionaries Definition of pseudorabies in the British & World English dictionary