actinobacillus

noun

ac·​ti·​no·​ba·​cil·​lus -bə-ˈsil-əs 

1

capitalized : a genus of aerobic gram-negative parasitic bacteria of the family Pasteurellaceae forming filaments resembling streptobacilli see actinobacillosis

2

plural actinobacilli -ˌī  : a bacterium of the genus Actinobacillus