Fusiformis

noun
Fu·​si·​for·​mis | \ ˌfyü-zə-ˈfȯrm-əs How to pronounce Fusiformis (audio) \

Medical Definition of Fusiformis

in some classifications
: a genus of parasitic anaerobic or microaerophilic nonmotile bacteria of the family Bacteroidaceae now usually included in the genus Fusobacterium