spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections
"The doctor diagnosed my skin infection as a staphylococcus outbreak after noticing the characteristic round bacterial clusters forming an angry boil on my arm."
A spherical gram-positive parasitic bacterium of the genus Staphylococcus, causing blisters, septicemia, and other infections
"The doctor identified a severe skin infection as being caused by staphylococcus after analyzing the pus from his son's blister."