fusobacteria Fusobacterium

plural noun, singular fu·so·bac·te·ri·um [fyoo-zoh-bak-teer-ee-uh m] /ˌfyu zoʊ bækˈtɪər i əm/.

1. rod-shaped, anaerobic bacteria of the genus Fusobacterium, certain species of which are pathogenic in humans.

n.

1. A genus of gram-negative, anaerobic bacteria that produce butyric acid as a major metabolic product and occur in purulent or gangrenous infections.