shə̇ˈgelə noun
Etymology: New Latin, from Kiyoshi Shiga died 1957 Jap. bacteriologist + New Latin -ella
1. capitalized : a genus of nonmotile aerobic bacteria (family Enterobacteriaceae) that form acid but no gas on many carbohydrates and do not form acetylmethylcarbinol and that cause dysenteries in man and other animals
2. plural shigel·lae -(ˌ)lē, -ˌlī also shigellas sometimes capitalized : any bacterium of the genus Shigella