fasciola

noun

fas·​ci·​o·​la fə-ˈsē-ə-lə  -ˈsī- 

1

plural fasciolae -ˌlē  or fasciolas : a narrow fascia or band of color

2

capitalized : a genus (the type of the family Fasciolidae) of digenetic trematode worms including common liver flukes of various mammals (as ruminants and humans)