Main Entry: lac·to·ba·cil·lus

Pronunciation: \ˌlak-tō-bə-ˈsil-əs\

Function: noun

1 capitalized : a genus of gram-positive nonmotile lactic-acid-forming bacteria of the family Lactobacillaceae including various commercially important lactic acid bacteria
2 plural lac·to·ba·cil·li \-ˌī also -ˌē\ : any bacterium of the genus Lactobacillus