The American Heritage® Dictionary of the English Language, 4th Edition
n. A spherical gram-positive parasitic bacterium of the genus Staphylococcus, usually occurring in grapelike clusters and causing boils, septicemia, and other infections.
n. A spherical gram-positive parasitic bacterium of the genus Staphylococcus, causing blisters, septicemia, and other infections
The Century Dictionary and Cyclopedia
n. An invalid generic name applied to certain species of pus-forming bacteria, of which Micrococcus (‘Staphylococcus’) pyogenes is the most common.
n. Any member of this group which is characterized by having the cells arranged in irregular groups.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections
Word Usage
"MRSA is a specific strain of staphylococcus, which is a normal bacteria that just about everyone has, and is passed through both direct and indirect contact, Stephens County Health Department R.N. Lisa Caton said."