neisseria

noun, plural neis·se·ri·ae [nahy-seer–seer-ee-ee] /naɪˈsɪərˈsɪər iˌi/. Bacteriology.

1. any of several spherical bacteria of the genus Neisseria, certain species of which, as N. gonorrhoeae, are pathogenic for humans.

n.

1. A genus of aerobic to facultatively anaerobic bacteria containing gram-negative cocci and including the causative agents of gonorrhea and meningitis.