Pronunciation: (staf"u-lu-kok'us), [key]
—pl. -coc•ciPronunciation: (-kok'sī). [key] Bacteriol.
any of several spherical bacteria of the genus Staphylococcus, occurring in pairs, tetrads, and irregular clusters, certain species of which, as S. aureus, can be pathogenic for humans.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.