Brucellaceae

noun plural

Bru·​cel·​la·​ce·​ae ˌbrü-sə-ˈlā-sē-ˌē 

: a family of small gram-negative coccoid to rod-shaped bacteria of the order Eubacteriales that are obligate parasites chiefly of warm-blooded vertebrates and that include a number of serious pathogens see brucella