noun🔗ShareLactobaciloAny of many rod-shaped, nonmotile, aerobic bacteria, of the genus Lactobacillus, that ferment sugars to form lactic acid"Many yogurts contain lactobacillus to help with digestion. "Muchos yogures contienen lactobacilos para ayudar con la digestión.microorganismbiologysciencemedicineChat with AIVocabulary GamePractice Reading