Brucellaceae
noun plural
Bru·cel·la·ce·ae
| \ ˌbrü-sə-ˈlā-sē-ˌē
\
\
Medical Definition of Brucellaceae
: 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